Pith Number

pith:VKGQW33M

pith:2026:VKGQW33MPYLMJ3KTG44IRJI2DG

not attested not anchored not stored refs pending

PEARL: Auditable Repair for Scientific Reasoning Graph Extraction

Bohan Su, Pengze Li, Xi Chen, Yuchen Lu

arxiv:2607.17917 v1 · 2026-07-20 · 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{VKGQW33MPYLMJ3KTG44IRJI2DG}

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	2026-07-21T02:22:06.541235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa8d0b6f6c7e16c4ed53373888a51a19a94495d31c6093f9648d0c9c37a72438

Aliases

arxiv: 2607.17917 · arxiv_version: 2607.17917v1 · doi: 10.48550/arxiv.2607.17917 · pith_short_12: VKGQW33MPYLM · pith_short_16: VKGQW33MPYLMJ3KT · pith_short_8: VKGQW33M

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/VKGQW33MPYLMJ3KTG44IRJI2DG \
  | 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: aa8d0b6f6c7e16c4ed53373888a51a19a94495d31c6093f9648d0c9c37a72438

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44cd8b9d6d695643065659cbb32635be304c65bbb35a6ed4b932b04087348a0d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-20T13:14:13Z",
    "title_canon_sha256": "68c735fb364785235de3782abf0b1d09d532fc092922fa86b4cc2427805f4d29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17917",
    "kind": "arxiv",
    "version": 1
  }
}