Pith Number

pith:NFEUYCGR

pith:2025:NFEUYCGRNECZJSWZEY4KZQ4V6M

not attested not anchored not stored refs pending

FactIR: A Real-World Zero-shot Open-Domain Retrieval Benchmark for Fact-Checking

Venktesh V, Vinay Setty

arxiv:2502.06006 v1 · 2025-02-09 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFEUYCGRNECZJSWZEY4KZQ4V6M}

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	2026-07-05T10:11:46.311133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69494c08d1690594cad92638acc395f326b637758024b6b3ff145f640afb14d4

Aliases

arxiv: 2502.06006 · arxiv_version: 2502.06006v1 · doi: 10.48550/arxiv.2502.06006 · pith_short_12: NFEUYCGRNECZ · pith_short_16: NFEUYCGRNECZJSWZ · pith_short_8: NFEUYCGR

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/NFEUYCGRNECZJSWZEY4KZQ4V6M \
  | 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: 69494c08d1690594cad92638acc395f326b637758024b6b3ff145f640afb14d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12cb65b8eddae963b1220b5f66baaeb13f4b18bb30ba3c574e2b943eb7b40031",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-02-09T19:51:00Z",
    "title_canon_sha256": "beb993524d473f7222d117729f39e9eaaeca8c4c6cf97f36003271fb85f9bc2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06006",
    "kind": "arxiv",
    "version": 1
  }
}