Pith Number

pith:JTLOY3QA

pith:2015:JTLOY3QAHMJQKPI54V4K5Q7HQV

not attested not anchored not stored refs pending

Learning to Rank Academic Experts in the DBLP Dataset

Bruno Martins, Catarina Moreira, P\'avel Calado

arxiv:1501.05132 v1 · 2015-01-21 · 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{JTLOY3QAHMJQKPI54V4K5Q7HQV}

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	2026-05-18T02:29:00.706956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cd6ec6e003b13053d1de578aec3e7855e99d4cd3a8ff17991aaa53557bd3cf0

Aliases

arxiv: 1501.05132 · arxiv_version: 1501.05132v1 · doi: 10.48550/arxiv.1501.05132 · pith_short_12: JTLOY3QAHMJQ · pith_short_16: JTLOY3QAHMJQKPI5 · pith_short_8: JTLOY3QA

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/JTLOY3QAHMJQKPI54V4K5Q7HQV \
  | 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: 4cd6ec6e003b13053d1de578aec3e7855e99d4cd3a8ff17991aaa53557bd3cf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac223773f55a868865ae55e82512c6bc98db9ac0cfa916a6a726dec881e80b47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-01-21T11:25:33Z",
    "title_canon_sha256": "b3b06f0c813e77839285f2bbd451a775cc6da121a04d62c235752f244aed5548"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05132",
    "kind": "arxiv",
    "version": 1
  }
}