Pith Number

pith:CF5PXRLV

pith:2015:CF5PXRLVBXPBRYIRA5X5MSFEEQ

not attested not anchored not stored refs pending

Building a Large-scale Multimodal Knowledge Base System for Answering Visual Queries

Ce Zhang, Christopher R\'e, Li Fei-Fei, Yuke Zhu

arxiv:1507.05670 v2 · 2015-07-20 · cs.CV · cs.LG

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	2026-05-18T01:27:23.048975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

117afbc5750dde18e111076fd648a424215bf88e8ff659c86cbf1a1e2775ed3a

Aliases

arxiv: 1507.05670 · arxiv_version: 1507.05670v2 · doi: 10.48550/arxiv.1507.05670 · pith_short_12: CF5PXRLVBXPB · pith_short_16: CF5PXRLVBXPBRYIR · pith_short_8: CF5PXRLV

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/CF5PXRLVBXPBRYIRA5X5MSFEEQ \
  | 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: 117afbc5750dde18e111076fd648a424215bf88e8ff659c86cbf1a1e2775ed3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "244be3818d2257cf1ebfbc3246e36dab694d1c71c25082c1fc0b561414de3715",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-07-20T22:43:51Z",
    "title_canon_sha256": "977d7b6b99e51066985f8ae4becfdb595602a4e08c1c9d3bddb1eeca2567e9af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05670",
    "kind": "arxiv",
    "version": 2
  }
}