Pith Number

pith:PNCBY2I7

pith:2014:PNCBY2I75X62OEQ4Z3DCTQT3VG

not attested not anchored not stored refs pending

Forgetting the Words but Remembering the Meaning: Modeling Forgetting in a Verbal and Semantic Tag Recommender

Christoph Trattner, Dominik Kowald, Paul Seitlinger, Tobias Ley

arxiv:1402.0728 v2 · 2014-02-04 · 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{PNCBY2I75X62OEQ4Z3DCTQT3VG}

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	2026-05-18T02:52:23.197636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b441c691fedfda7121ccec629c27ba9897706fded5b328becb0cccb800d7746

Aliases

arxiv: 1402.0728 · arxiv_version: 1402.0728v2 · doi: 10.48550/arxiv.1402.0728 · pith_short_12: PNCBY2I75X62 · pith_short_16: PNCBY2I75X62OEQ4 · pith_short_8: PNCBY2I7

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/PNCBY2I75X62OEQ4Z3DCTQT3VG \
  | 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: 7b441c691fedfda7121ccec629c27ba9897706fded5b328becb0cccb800d7746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c408d4d9c7cf6526d4dc90c23cb055ba6352c96bd04df501d5b24f504bc1fbad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2014-02-04T13:31:10Z",
    "title_canon_sha256": "8ddee5dfaf5dd8113857d88076adce996df00b9bf968d13a99045cce218cbd93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0728",
    "kind": "arxiv",
    "version": 2
  }
}