Pith Number

pith:JECZGPVJ

pith:2017:JECZGPVJYEWHQQV5DLEWRUWVSC

not attested not anchored not stored refs pending

Scalable Annotation of Fine-Grained Categories Without Experts

Jia Deng, Jonathan Krause, Li Fei-Fei, Timnit Gebru

arxiv:1709.02482 v1 · 2017-09-07 · cs.HC · cs.CV

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:35:45.644803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4905933ea9c12c7842bd1ac968d2d5909b199fa533c7541d3342ddabe0260a4b

Aliases

arxiv: 1709.02482 · arxiv_version: 1709.02482v1 · doi: 10.48550/arxiv.1709.02482 · pith_short_12: JECZGPVJYEWH · pith_short_16: JECZGPVJYEWHQQV5 · pith_short_8: JECZGPVJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JECZGPVJYEWHQQV5DLEWRUWVSC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4905933ea9c12c7842bd1ac968d2d5909b199fa533c7541d3342ddabe0260a4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e67061cc80b632b650d85c23d15ad11c79a94ae284886c026636badf33a86e09",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2017-09-07T23:08:26Z",
    "title_canon_sha256": "aa40a3e3e6dbc4ef83275e9e141cbf59d820bef7590c40d533e1b398ea04358f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02482",
    "kind": "arxiv",
    "version": 1
  }
}