Pith Number

pith:EWYQVHNV

pith:2013:EWYQVHNVK6C36ZY3PQWC5LK7XL

not attested not anchored not stored refs pending

A Consensus-Focused Group Recommender System

Jinyun Yan, S. Muthukrishnan, Stratis Ioannidis

arxiv:1312.7076 v2 · 2013-12-26 · cs.HC · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWYQVHNVK6C36ZY3PQWC5LK7XL}

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	2026-05-18T02:55:38.066572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b10a9db55785bf671b7c2c2ead5fbacefe1740bd487b625af3a7a81ac11d2f

Aliases

arxiv: 1312.7076 · arxiv_version: 1312.7076v2 · doi: 10.48550/arxiv.1312.7076 · pith_short_12: EWYQVHNVK6C3 · pith_short_16: EWYQVHNVK6C36ZY3 · pith_short_8: EWYQVHNV

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/EWYQVHNVK6C36ZY3PQWC5LK7XL \
  | 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: 25b10a9db55785bf671b7c2c2ead5fbacefe1740bd487b625af3a7a81ac11d2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a267a5cacaa2f189d7b280640f2a60338675f0b239f76a4260c00780aebd0d0c",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2013-12-26T09:35:50Z",
    "title_canon_sha256": "2ae03a37aeaafc728d48fafc36468234101a1096ce182f240acc0c3d253b3b0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7076",
    "kind": "arxiv",
    "version": 2
  }
}