Pith Number

pith:AKPT4QRH

pith:2026:AKPT4QRHCFVF5H3ZYHEHZ5FAXF

not attested not anchored not stored refs pending

GAVEL: Grounded Caption Error Verification and Localization

Atsushi Hashimoto, Kuniaki Saito, Zixian Gao

arxiv:2606.26923 v1 · 2026-06-25 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKPT4QRHCFVF5H3ZYHEHZ5FAXF}

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	2026-06-26T01:16:04.212758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

029f3e4227116a5e9f79c1c87cf4a0b9752234a6b90619e2f97d52eb8d57c69d

Aliases

arxiv: 2606.26923 · arxiv_version: 2606.26923v1 · doi: 10.48550/arxiv.2606.26923 · pith_short_12: AKPT4QRHCFVF · pith_short_16: AKPT4QRHCFVF5H3Z · pith_short_8: AKPT4QRH

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/AKPT4QRHCFVF5H3ZYHEHZ5FAXF \
  | 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: 029f3e4227116a5e9f79c1c87cf4a0b9752234a6b90619e2f97d52eb8d57c69d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f018b4ff56fd919ed8d58c841d4b246300ccca637c7e9757bc886dfcb16230a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-25T12:00:45Z",
    "title_canon_sha256": "ffed647fbea39eca8e1248902e40ed0052780bcf88b49ec6bf4dde5805423fc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26923",
    "kind": "arxiv",
    "version": 1
  }
}