Pith Number

pith:IDV7O2P3

pith:2025:IDV7O2P3S3OC3POX5GOHVYJRNA

not attested not anchored not stored refs pending

Entity Re-identification in Visual Storytelling via Contrastive Reinforcement Learning

Daniel A. P. Oliveira, David Martins de Matos

arxiv:2507.07340 v2 · 2025-07-09 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDV7O2P3S3OC3POX5GOHVYJRNA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-07-05T11:35:15.164000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40ebf769fb96dc2dbdd7e99c7ae131681a0c1170f12ddadf5379308df5f83d7d

Aliases

arxiv: 2507.07340 · arxiv_version: 2507.07340v2 · doi: 10.48550/arxiv.2507.07340 · pith_short_12: IDV7O2P3S3OC · pith_short_16: IDV7O2P3S3OC3POX · pith_short_8: IDV7O2P3

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/IDV7O2P3S3OC3POX5GOHVYJRNA \
  | 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: 40ebf769fb96dc2dbdd7e99c7ae131681a0c1170f12ddadf5379308df5f83d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c2b29f2a25bb5519ff99382208ac3b127e996527eb394c8113afdaa974d1b36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-09T23:52:10Z",
    "title_canon_sha256": "04491a963e403055f5abe40eaced0c73606e414de5edc2936bc17f54f1aa5989"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.07340",
    "kind": "arxiv",
    "version": 2
  }
}