Pith Number

pith:LADEHQKC

pith:2019:LADEHQKC7S4HCLBQUBCTMPD52U

not attested not anchored not stored refs pending

Incremental Reading for Question Answering

Samira Abnar, Tania Bedrax-Weiss, Tom Kwiatkowski, William W. Cohen

arxiv:1901.04936 v1 · 2019-01-15 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LADEHQKC7S4HCLBQUBCTMPD52U}

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	2026-05-17T23:56:16.108452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

580643c142fcb8712c30a045363c7dd50dd367e1a35ed95f4575384e1d3b6fe4

Aliases

arxiv: 1901.04936 · arxiv_version: 1901.04936v1 · doi: 10.48550/arxiv.1901.04936 · pith_short_12: LADEHQKC7S4H · pith_short_16: LADEHQKC7S4HCLBQ · pith_short_8: LADEHQKC

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/LADEHQKC7S4HCLBQUBCTMPD52U \
  | 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: 580643c142fcb8712c30a045363c7dd50dd367e1a35ed95f4575384e1d3b6fe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ec10f393cce25748b602b12507e3f5b280bb693ef4b4c94b6a306446fcc87a0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-01-15T17:03:32Z",
    "title_canon_sha256": "807057cf0f73e9142c0f7634222cd1ec38448d76d1a275aa67dec96e5f8bc266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04936",
    "kind": "arxiv",
    "version": 1
  }
}