Pith Number

pith:ZIA6JNE3

pith:2019:ZIA6JNE3U6YH77XWPQ44LQZ5IS

not attested not anchored not stored refs pending

Evaluating Tag Recommendations for E-Book Annotation Using a Semantic Similarity Metric

Dieter Theiler, Dominik Kowald, Elisabeth Lex, Emanuel Lacic, Lucky Kuffer, Matthias Traub, Stefanie Lindstaedt

arxiv:1908.04042 v1 · 2019-08-12 · cs.IR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZIA6JNE3U6YH77XWPQ44LQZ5IS}

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	2026-07-04T23:53:20.255091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca01e4b49ba7b07ffef67c39c5c33d449279780dc89bb8d359189832230e64fe

Aliases

arxiv: 1908.04042 · arxiv_version: 1908.04042v1 · doi: 10.48550/arxiv.1908.04042 · pith_short_12: ZIA6JNE3U6YH · pith_short_16: ZIA6JNE3U6YH77XW · pith_short_8: ZIA6JNE3

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/ZIA6JNE3U6YH77XWPQ44LQZ5IS \
  | 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: ca01e4b49ba7b07ffef67c39c5c33d449279780dc89bb8d359189832230e64fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b499efc140f4c3bcd8ddd25bbf127cf9d8c3b9b7dce09199d62b503278ead74",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-08-12T08:04:42Z",
    "title_canon_sha256": "1cef067c7f07ff7567b4b3d6d320fb068a424e005581e41830c18aaf24b4bda6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04042",
    "kind": "arxiv",
    "version": 1
  }
}