Downloads

Every artifact, with the digest that identifies it

A release is a directory of files whose digests are recorded in its own release notes. Verify what you fetch.

Schemas

JSON Schema 2020-12

One schema per artifact release. A 1.0.0-valid record fails the 1.0.1 schema only if it carries a defect 1.0.1 closed.

v1.0.0frozen

VER Record 1.0

https://verstandard.org/schemas/ver-record-1.0.json

12.2 KiB12 top-level members6 $defs

sha-256 d08f7c9d86155dc695ca6d1579ab8be826d0c1dd06ff95369d43302781cc6373

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v1.0.1current

VER Record 1.0 (artifact release 1.0.1)

https://verstandard.org/schemas/ver-record-1.0.1.json

13.2 KiB12 top-level members6 $defs

sha-256 44166d59f31e8bb898e0a3bf4c5863c154e273a97d1bc6bfee61d141e949d34a

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v1.1-draftdraft

VER Record 1.1 (DRAFT — unratified)

https://verstandard.org/schemas/ver-record-1.1-draft.json

50.5 KiB14 top-level members14 $defs

sha-256 a424b4967cf39943c53a83df3869b674e42efb61aac7d23495b778c8189dd31e

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Member	Type	Requirement	Constraint
ver_version	const	MUST	must be "1.0"
cpnp_version	const	MUST	must be "1.0"
record_id	string (uuid)	MUST	format uuid
created_at	string (date-time)	MUST	format date-time
generator	object	MAY	requires name, version; closed
conformance_level	enum	MAY	L0 \| L1 \| L2 \| L3
identity	object	MUST	requires content_hash, pixel_hash; closed
image	object	MUST	requires format, width, height, animated, alpha_present, hdr_present; closed
spaces	array<spaceDescriptor>	MUST	at least 1 item(s)
embeddings	array<embedding>	MUST	at least 1 item(s); at least one with role "canonical_visual"
metadata	object	MAY	closed
provenance	object	MAY	closed

Examples

Golden records

Every hash in these documents is a real digest of bytes that were actually constructed.

standards/ver/1.0.1/example-record.json6.7 KiBrelease 1.0.1Source

example-record.json

1{
2  "ver_version": "1.0",
3  "cpnp_version": "1.0",
4  "record_id": "a3f1c2e4-9b7d-4e21-8c55-2f6a0d9b3e71",
5  "created_at": "2026-08-21T14:02:11Z",
6  "generator": {
7    "name": "ver-producer",
8    "version": "1.0.3"
9  },
10  "conformance_level": "L3",
11  "identity": {
12    "content_hash": {
13      "alg": "sha-256",
14      "value": "6f1ed002ab5595859014ebf0951522d9a2f5b1a3cbb1a049c8bd0d38f2a4c9e1"
15    },
16    "pixel_hash": {
17      "alg": "sha-256",
18      "value": "b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
19      "width": 4032,
20      "height": 3024
21    },
22    "perceptual": [
23      {
24        "alg": "pdq/1.0",
25        "value": "f8f8f0cee0f4a84f06370a22038f63f0b36e2ed596621e1d33e6b39c4e9c9b22"
26      },
27      {
28        "alg": "phash-dct/64",
29        "value": "c3a5e1f09b2d4c86"
30      }
31    ]
32  },
33  "image": {
34    "format": "jpeg",
35    "width": 4032,
36    "height": 3024,
37    "animated": false,
38    "alpha_present": false,
39    "hdr_present": false,
40    "source_bytes_ref": {
41      "uri": "https://assets.example.org/blobs/6f1ed002ab5595859014ebf0951522d9",
42      "sha256": "6f1ed002ab5595859014ebf0951522d9a2f5b1a3cbb1a049c8bd0d38f2a4c9e1",
43      "byte_length": 2841377
44    }
45  },
46  "spaces": [
47    {
48      "space_id": "org.verstandard.space.openclip-vit-l14-datacomp-xl/1.0",
49      "kind": "visual",
50      "model": {
51        "family": "openclip",
52        "architecture": "ViT-L/14",
53        "checkpoint": "datacomp_xl_s13b_b90k",
54        "weights_sha256": "9a3c1de07b44f2e6c815a0db93e4f172c60b58aa14dd0f3e2b7c9615f4a8d203"
55      },
56      "dim": 768,
57      "dtype": "fp32",
58      "normalization": "l2",
59      "metric": "cosine",
60      "preprocessing": {
61        "resize": "shortest_side_224",
62        "interpolation": "bicubic",
63        "antialias": true,
64        "crop": "center_224",
65        "mean": [
66          0.48145466,
67          0.4578275,
68          0.40821073
69        ],
70        "std": [
71          0.26862954,
72          0.26130258,
73          0.27577711
74        ],
75        "channel_order": "rgb"
76      },
77      "reference": {
78        "set_uri": "https://verstandard.org/refsets/openclip-vit-l14-datacomp-xl-1.0",
79        "tolerance_cosine": 0.999
80      },
81      "provenance": {
82        "publisher": "verstandard.org",
83        "published_at": "2026-06-01T00:00:00Z",
84        "license": "MIT"
85      }
86    },
87    {
88      "space_id": "org.verstandard.space.minilm-l6-v2/1.0",
89      "kind": "text",
90      "model": {
91        "family": "sentence-transformers",
92        "architecture": "MiniLM-L6",
93        "checkpoint": "all-MiniLM-L6-v2",
94        "weights_sha256": "1c2f4b6a8e0d3579b1c4e6f80a2d4c6e8f0b2d4a6c8e0f2b4d6a8c0e2f4b6d8a"
95      },
96      "dim": 384,
97      "dtype": "fp32",
98      "normalization": "l2",
99      "metric": "cosine",
100      "preprocessing": {
101        "tokenizer": "bert-base-uncased-wordpiece",
102        "tokenizer_sha256": "4d8a2c6e0f4b8d2a6c0e4f8b2d6a0c4e8f2b6d0a4c8e2f6b0d4a8c2e6f0b4d8a",
103        "max_length": 256,
104        "truncation": "tail",
105        "casing": "lower"
106      },
107      "reference": {
108        "set_uri": "https://verstandard.org/refsets/minilm-l6-v2-1.0",
109        "tolerance_cosine": 0.999
110      }
111    }
112  ],
113  "embeddings": [
114    {
115      "role": "canonical_visual",
116      "space_id": "org.verstandard.space.openclip-vit-l14-datacomp-xl/1.0",
117      "dim": 768,
118      "dtype": "fp32",
119      "vector_ref": {
120        "uri": "https://vectors.example.org/a3f1c2e4/canonical-visual.f32le",
121        "sha256": "2c624232cdd221771294dfbb310aca000a0df6ac8b66b696d90ef06fdefb64a3",
122        "byte_length": 3072
123      },
124      "produced_at": "2026-08-21T14:02:10Z",
125      "producer": "ver-producer/1.0.3 (onnxruntime-gpu 1.22, fp32)"
126    },
127    {
128      "role": "contextual",
129      "space_id": "org.verstandard.space.minilm-l6-v2/1.0",
130      "dim": 384,
131      "dtype": "fp32",
132      "source": {
133        "class": "alt_text",
134        "text_sha256": "d2a84f4b8b650937ec8f73cd8be2c74add5a911ba64df27458ed8229da804a26",
135        "lang": "en",
136        "provenance": "og:image:alt at source_uri"
137      },
138      "vector_ref": {
139        "uri": "https://vectors.example.org/a3f1c2e4/ctx-alt-text.f32le",
140        "sha256": "19581e27de7ced00ff1ce50b2047e7a567c76b1cbaebabe5ef03f7c3017bb5b7",
141        "byte_length": 1536
142      },
143      "produced_at": "2026-08-21T14:02:11Z",
144      "producer": "ver-producer/1.0.3"
145    }
146  ],
147  "metadata": {
148    "raw": [
149      {
150        "segment": "icc",
151        "bytes": "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",
152        "sha256": "a106fd0f3203936b46f396bfcf79dcc396f5eda43508bb760c9649d50a5c6e7a"
153      }
154    ],
155    "availability": {
156      "exif": "stripped_suspected",
157      "xmp": "absent",
158      "iptc": "absent",
159      "icc": "present",
160      "c2pa": "absent"
161    },
162    "availability_basis": "Acquired from a social CDN endpoint documented to strip EXIF/XMP on ingest; ICC retained by that pipeline.",
163    "normalized": {
164      "@context": {
165        "dc": "http://purl.org/dc/elements/1.1/",
166        "Iptc4xmpExt": "http://iptc.org/std/Iptc4xmpExt/2008-02-29/"
167      },
168      "dc:description": "Sunset over a boardwalk, silhouetted pier in background."
169    },
170    "conflicts": [],
171    "trust": [
172      {
173        "field": "dc:description",
174        "tier": "unsigned"
175      }
176    ],
177    "redactions": []
178  },
179  "provenance": {
180    "acquisition": {
181      "method": "http_fetch",
182      "source_uri": "https://cdn.socialexample.com/media/9f2e/full.jpg",
183      "acquired_at": "2026-08-21T14:01:52Z",
184      "actor": "crawler-07"
185    },
186    "chain": [
187      {
188        "at": "2026-08-21T14:01:52Z",
189        "actor": "crawler-07",
190        "action": "import",
191        "tool": "ver-fetch/1.0"
192      },
193      {
194        "at": "2026-08-21T14:02:08Z",
195        "actor": "ver-producer",
196        "action": "decode",
197        "tool": "libjpeg-turbo 3.0 (sandboxed)"
198      },
199      {
200        "at": "2026-08-21T14:02:09Z",
201        "actor": "ver-producer",
202        "action": "normalize",
203        "tool": "cpnp-1/lcms2",
204        "params_sha256": "9b74c9897bac770ffc029102a200c5de1b1e6f7f2c1d5d7a3b1a0c9e8d7f6a5b"
205      },
206      {
207        "at": "2026-08-21T14:02:10Z",
208        "actor": "ver-producer",
209        "action": "embed",
210        "tool": "onnxruntime-gpu 1.22"
211      },
212      {
213        "at": "2026-08-21T14:02:11Z",
214        "actor": "ver-producer",
215        "action": "embed",
216        "tool": "onnxruntime-gpu 1.22 (text tower)"
217      }
218    ],
219    "c2pa": {
220      "status": "missing"
221    }
222  }
223}

sha-256 d4d5a64e65acfc1c1ccaaa23e291b3e880da6cbb32d6c9ef89d32185877f0b7f

Release directories

Everything each release publishes

v1.0.0

frozenstandards/ver/1.0.0

File	Size	sha-256
VER-1.0-Specification.docx	21.5 KiB	c1193acbea243348d674ff803b9886fe9a0b14a157f8ce9f9a14142c4214789f
example-record.json	5.8 KiB	0311f4f72bc40e52c46f4d65176509448091807afaa698db2c0914caba076665
ver-record.schema.json	12.2 KiB	d08f7c9d86155dc695ca6d1579ab8be826d0c1dd06ff95369d43302781cc6373
wire-profile/org.verstandard.record.lexicon.json	4.9 KiB	34ebead95c6544585785fddf23a48837c35796967586a8367c9ffdec67122186

v1.0.1

currentstandards/ver/1.0.1

File	Size	sha-256
VER-1.0.1-errata-annex.md	111.9 KiB	09834533f1b34f25532f047fc76ae24f24da6d7faaa7a90da985f93043c7a20a
example-record.json	6.7 KiB	d4d5a64e65acfc1c1ccaaa23e291b3e880da6cbb32d6c9ef89d32185877f0b7f
ver-record.schema.json	13.2 KiB	44166d59f31e8bb898e0a3bf4c5863c154e273a97d1bc6bfee61d141e949d34a

v1.1-draft

draftstandards/ver/1.1-draft

File	Size	sha-256
HIGH-TRUST-PROFILE.md	13.4 KiB	be2445caa1c4421d081319867bae457feee5abc0331a961e7738e2501bcf3f93
VER-1.1-draft.md	108.2 KiB	b5c809dc4445bd483e3276a4c649fc31093dd0fa710f935f14d32891ea267b78
example-record-lineage.json	19.7 KiB	a5cc2da85532d1d5b9be558c8f4ec0af68e4588096ae12d715536270ead42994
ver-recipe.schema.json	4.4 KiB	65587a411d2630d212314222d188319ef92e23955c1efb5bce57993838ccb01b
ver-record.schema.json	50.5 KiB	a424b4967cf39943c53a83df3869b674e42efb61aac7d23495b778c8189dd31e
wire-profile/README.md	23.0 KiB	e06cedd5909769d99a4045a47bb4e6ca790c70ebb48422d31083266f33757bbc
wire-profile/org.verstandard.record.lexicon.json	27.1 KiB	527104ebe1efa1b1bbfc0046119e0a2d7a78108daf0431548207d45644e71f07
wire-profile/org.verstandard.retraction.lexicon.json	7.1 KiB	ec790f432749efc033597c3fcb7b98fc7df73938c3af56e79eebbbbb239ba05e

VER-F wire profile

Lexicons

The federation profile's atproto lexicons. These are part of VER-F, not of the core record standard.

NSID	Revision	Path	sha-256
org.verstandard.record	1	standards/ver/1.0.0/wire-profile/org.verstandard.record.lexicon.json	34ebead95c6544585785fddf23a48837c35796967586a8367c9ffdec67122186
org.verstandard.record	2	standards/ver/1.1-draft/wire-profile/org.verstandard.record.lexicon.json	527104ebe1efa1b1bbfc0046119e0a2d7a78108daf0431548207d45644e71f07
org.verstandard.retraction	1	standards/ver/1.1-draft/wire-profile/org.verstandard.retraction.lexicon.json	ec790f432749efc033597c3fcb7b98fc7df73938c3af56e79eebbbbb239ba05e

Verify

Reproduce the digests

shell

git clone https://github.com/verastd/vera
cd vera
python -c "import hashlib,pathlib;[print(hashlib.sha256(p.read_bytes()).hexdigest(),p.name) \
  for p in sorted(pathlib.Path('standards/ver/1.0.1').iterdir()) if p.name!='RELEASE.md']"