Pith Number

pith:3SXJR3VS

pith:2018:3SXJR3VSAZP5I2HKTGZ4QJRDZD

not attested not anchored not stored refs pending

Overcoming low-utility facets for complex answer retrieval

Andrew Yates, Arman Cohan, Kai Hui, Luca Soldaini, Nazli Goharian, Ophir Frieder, Sean MacAvaney

arxiv:1811.08772 v1 · 2018-11-21 · 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{3SXJR3VSAZP5I2HKTGZ4QJRDZD}

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	2026-05-18T00:00:11.612405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcae98eeb2065fd468ea99b3c82623c8e1af5a9012ba1267fa10e7fcd387e1bf

Aliases

arxiv: 1811.08772 · arxiv_version: 1811.08772v1 · doi: 10.48550/arxiv.1811.08772 · pith_short_12: 3SXJR3VSAZP5 · pith_short_16: 3SXJR3VSAZP5I2HK · pith_short_8: 3SXJR3VS

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/3SXJR3VSAZP5I2HKTGZ4QJRDZD \
  | 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: dcae98eeb2065fd468ea99b3c82623c8e1af5a9012ba1267fa10e7fcd387e1bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3484800132ba4bf5aab18c75591b27427ed02352a775d6003f60516f7761fd98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-11-21T15:09:00Z",
    "title_canon_sha256": "3cb538c99811a85d4120b2b3caf523d0740ca69033b6eaad3945c8f7a3572a78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08772",
    "kind": "arxiv",
    "version": 1
  }
}