Pith Number

pith:NQAJRPXF

pith:2025:NQAJRPXFRUCHP4LQ3KXLVEPNSL

not attested not anchored not stored refs pending

Where is this coming from? Making groundedness count in the evaluation of Document VQA models

Armineh Nourbakhsh, Carolyn Rose, Pranav Shetty, Sameena Shah, Siddharth Parekh, Zhao Jin

arxiv:2503.19120 v1 · 2025-03-24 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQAJRPXFRUCHP4LQ3KXLVEPNSL}

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	2026-07-05T10:38:49.924767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c0098bee58d0477f170daaeba91ed92cf777bffbcfd0ca492a49056c6154acc

Aliases

arxiv: 2503.19120 · arxiv_version: 2503.19120v1 · doi: 10.48550/arxiv.2503.19120 · pith_short_12: NQAJRPXFRUCH · pith_short_16: NQAJRPXFRUCHP4LQ · pith_short_8: NQAJRPXF

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/NQAJRPXFRUCHP4LQ3KXLVEPNSL \
  | 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: 6c0098bee58d0477f170daaeba91ed92cf777bffbcfd0ca492a49056c6154acc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6850edea178f4e38289fe01d4da28ea448a1af7fe2b14eb9f55ac336eff1bb7a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-03-24T20:14:46Z",
    "title_canon_sha256": "6299b2e6b7130338825ea259f56bbb18a340da9ab9736fcf6a020a958a1bdc99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.19120",
    "kind": "arxiv",
    "version": 1
  }
}