Pith Number

pith:6JBT2DBK

pith:2013:6JBT2DBK2Z2RL6TXJXGSXLXTYQ

not attested not anchored not stored refs pending

Usage-based vs. Citation-based Methods for Recommending Scholarly Research Articles

Andr\'e Vellino

arxiv:1303.7149 v2 · 2013-03-28 · cs.DL · 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{6JBT2DBK2Z2RL6TXJXGSXLXTYQ}

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	2026-05-18T03:29:29.077716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2433d0c2ad67515fa774dcd2baef3c41bb714e8d60cf87d4d959e7b09c3302a

Aliases

arxiv: 1303.7149 · arxiv_version: 1303.7149v2 · doi: 10.48550/arxiv.1303.7149 · pith_short_12: 6JBT2DBK2Z2R · pith_short_16: 6JBT2DBK2Z2RL6TX · pith_short_8: 6JBT2DBK

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/6JBT2DBK2Z2RL6TXJXGSXLXTYQ \
  | 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: f2433d0c2ad67515fa774dcd2baef3c41bb714e8d60cf87d4d959e7b09c3302a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abb4152c6968814d6eacaf7bd6707fa2745cdc724d86200b7bd70dfe1dae94ab",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2013-03-28T15:27:16Z",
    "title_canon_sha256": "39f0be90394e0c7d0c542b3502fe5134820e3e1b1e746ab32d20d356fe1ca150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7149",
    "kind": "arxiv",
    "version": 2
  }
}