Pith Number

pith:L43FQABC

pith:2014:L43FQABCLFVF4E32P7HQTPQMPT

not attested not anchored not stored refs pending

Analysis of Personalized Information Service System for Digital Libraries

Li Qian, Lizhen Liu, Yue Hu

arxiv:1402.3913 v1 · 2014-02-17 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L43FQABCLFVF4E32P7HQTPQMPT}

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	2026-05-18T02:58:55.192910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f36580022596a5e137a7fcf09be0c7cfb677dd03b1b81d02cec7ea2aebf1c4a

Aliases

arxiv: 1402.3913 · arxiv_version: 1402.3913v1 · doi: 10.48550/arxiv.1402.3913 · pith_short_12: L43FQABCLFVF · pith_short_16: L43FQABCLFVF4E32 · pith_short_8: L43FQABC

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/L43FQABCLFVF4E32P7HQTPQMPT \
  | 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: 5f36580022596a5e137a7fcf09be0c7cfb677dd03b1b81d02cec7ea2aebf1c4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "876c11d38fdee00bbd8f0eccefd2d2a190ea0d2569219d99894ca88c0d476d26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2014-02-17T07:17:56Z",
    "title_canon_sha256": "4301397fbd0a62adcde9d238498bf89c2c739aa1e10c044709787b5b393193fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3913",
    "kind": "arxiv",
    "version": 1
  }
}