Pith Number

pith:O2J3UUYQ

pith:2026:O2J3UUYQVRGEIVH5TLDNHMGWJB

not attested not anchored not stored refs pending

Do You Need a Frontier Model as a Citation Verifier? Benchmarking Rubric LLMs for Deep-Research Source Attribution

Austin Huber, Corey Feld, Elias Lumer, Ethan Leung, Kevin Paul, Vamse Kumar Subbiah

arxiv:2607.08700 v1 · 2026-07-09 · 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{O2J3UUYQVRGEIVH5TLDNHMGWJB}

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	2026-07-10T01:19:57.923897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7693ba5310ac4c4454fd9ac6d3b0d64859ffd3a9119ed8d9093559bdf34c11fb

Aliases

arxiv: 2607.08700 · arxiv_version: 2607.08700v1 · doi: 10.48550/arxiv.2607.08700 · pith_short_12: O2J3UUYQVRGE · pith_short_16: O2J3UUYQVRGEIVH5 · pith_short_8: O2J3UUYQ

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/O2J3UUYQVRGEIVH5TLDNHMGWJB \
  | 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: 7693ba5310ac4c4454fd9ac6d3b0d64859ffd3a9119ed8d9093559bdf34c11fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3246396ecee43d496509bbb250ec2aa37da7c33cdd2d216c77de6d80899f1768",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-09T17:01:40Z",
    "title_canon_sha256": "9e93faf27faa5ee0f68ded86f5eca50698b4bc1c989c583624355e6c4f28ac13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08700",
    "kind": "arxiv",
    "version": 1
  }
}