Pith Number

pith:ML2ZV5LD

pith:2026:ML2ZV5LDZVG2SJT7WGYMVITNZG

not attested not anchored not stored refs pending

Evidence Absence Is Not Evidence Insufficiency: Diagnosing NEI Construction Artifacts in Fact Verification

Cheng Huang, Jingxi Qiu, Zeyu Han

arxiv:2605.26663 v1 · 2026-05-26 · cs.CL · cs.IR · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ML2ZV5LDZVG2SJT7WGYMVITNZG}

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	2026-05-27T01:06:04.643632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62f59af563cd4da9267fb1b0caa26dc9aa21108b94bfdabca0dc0fe9a9fa35f6

Aliases

arxiv: 2605.26663 · arxiv_version: 2605.26663v1 · doi: 10.48550/arxiv.2605.26663 · pith_short_12: ML2ZV5LDZVG2 · pith_short_16: ML2ZV5LDZVG2SJT7 · pith_short_8: ML2ZV5LD

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/ML2ZV5LDZVG2SJT7WGYMVITNZG \
  | 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: 62f59af563cd4da9267fb1b0caa26dc9aa21108b94bfdabca0dc0fe9a9fa35f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7831a82022dc0e3184c738737bcdc96e8788bf2254fbbed352c64ed439291566",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-26T07:51:33Z",
    "title_canon_sha256": "3edcdfdaa86cfbf7585c095f6d2981f70cd8a1c50bcbc99998974b4eed46ca71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26663",
    "kind": "arxiv",
    "version": 1
  }
}