Pith Number

pith:C5QLSZ7Q

pith:2018:C5QLSZ7QDB5TJAPIJEWOOXZRCR

not attested not anchored not stored refs pending

Approaches for Enriching and Improving Textual Knowledge Bases

Besnik Fetahu

arxiv:1804.07583 v2 · 2018-04-20 · cs.CL · 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{C5QLSZ7QDB5TJAPIJEWOOXZRCR}

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	2026-05-18T00:17:16.278707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1760b967f0187b3481e8492ce75f31147f66a4c87fc16c5f88da3915cee709ba

Aliases

arxiv: 1804.07583 · arxiv_version: 1804.07583v2 · doi: 10.48550/arxiv.1804.07583 · pith_short_12: C5QLSZ7QDB5T · pith_short_16: C5QLSZ7QDB5TJAPI · pith_short_8: C5QLSZ7Q

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/C5QLSZ7QDB5TJAPIJEWOOXZRCR \
  | 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: 1760b967f0187b3481e8492ce75f31147f66a4c87fc16c5f88da3915cee709ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42d6a7971bea5cd161eb863495231afde9e9adcee8809cce7665535f75c9724d",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-04-20T12:49:54Z",
    "title_canon_sha256": "5395ada5dab65d587b9f6184b62e5f981cce4325805c2476713ce6a6334a8891"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07583",
    "kind": "arxiv",
    "version": 2
  }
}