Pith Number

pith:F7PWHDJD

pith:2013:F7PWHDJDHEZZ6KENKTONTW35WM

not attested not anchored not stored refs pending

User recommendation in reciprocal and bipartite social networks -- a case study of online dating

Bo Gao, Kang Zhao, Mo Yu, Xi Wang

arxiv:1311.2526 v2 · 2013-11-11 · cs.SI · cs.IR · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7PWHDJDHEZZ6KENKTONTW35WM}

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	2026-05-18T02:58:23.253529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fdf638d2339339f288d54dcd9db7db32c2b64c70a90bfe43f7f9a0c90f51898

Aliases

arxiv: 1311.2526 · arxiv_version: 1311.2526v2 · doi: 10.48550/arxiv.1311.2526 · pith_short_12: F7PWHDJDHEZZ · pith_short_16: F7PWHDJDHEZZ6KEN · pith_short_8: F7PWHDJD

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/F7PWHDJDHEZZ6KENKTONTW35WM \
  | 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: 2fdf638d2339339f288d54dcd9db7db32c2b64c70a90bfe43f7f9a0c90f51898

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c943b30905434baf627b7b312ac49cac3e0aa7159e20418a0953e8f14b8a67ae",
    "cross_cats_sorted": [
      "cs.IR",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2013-11-11T18:46:16Z",
    "title_canon_sha256": "54302b831a1b332f5f1fc26892fe7a8aa6d2ab734ed1558d562626545778d6fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2526",
    "kind": "arxiv",
    "version": 2
  }
}