Pith Number

pith:CREVLMVP

pith:2018:CREVLMVPK5WPMYQLZUODTSQG6R

not attested not anchored not stored refs pending

Characterizing Question Facets for Complex Answer Retrieval

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

arxiv:1805.00791 v1 · 2018-05-02 · 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{CREVLMVPK5WPMYQLZUODTSQG6R}

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	2026-05-18T00:16:57.713211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

144955b2af576cf6620bcd1c39ca06f456a261c5b054a1d87fae0a8a5c010205

Aliases

arxiv: 1805.00791 · arxiv_version: 1805.00791v1 · doi: 10.48550/arxiv.1805.00791 · pith_short_12: CREVLMVPK5WP · pith_short_16: CREVLMVPK5WPMYQL · pith_short_8: CREVLMVP

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/CREVLMVPK5WPMYQLZUODTSQG6R \
  | 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: 144955b2af576cf6620bcd1c39ca06f456a261c5b054a1d87fae0a8a5c010205

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb719dad8cb46a6284ceed1990cb1b2217625315475e9973c619f4c75dbdf3c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-05-02T13:24:20Z",
    "title_canon_sha256": "096bae2fdf2582cf01e1ed969bc81671dad002371c0bb7d82c7c2fac7198e284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00791",
    "kind": "arxiv",
    "version": 1
  }
}