Pith Number

pith:TYSPDC7W

pith:2013:TYSPDC7W5IA4IWFQVOM7TU5M3S

not attested not anchored not stored refs pending

Finding the Right Set of Users: Generalized Constraints for Group Recommendations

Evaggelia Pitoura, Kostas Stefanidis

arxiv:1302.6580 v1 · 2013-02-26 · 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{TYSPDC7W5IA4IWFQVOM7TU5M3S}

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	2026-05-18T03:32:28.890710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e24f18bf6ea01c458b0ab99f9d3acdc998eef674d6a80f284b7d23a61695006

Aliases

arxiv: 1302.6580 · arxiv_version: 1302.6580v1 · doi: 10.48550/arxiv.1302.6580 · pith_short_12: TYSPDC7W5IA4 · pith_short_16: TYSPDC7W5IA4IWFQ · pith_short_8: TYSPDC7W

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/TYSPDC7W5IA4IWFQVOM7TU5M3S \
  | 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: 9e24f18bf6ea01c458b0ab99f9d3acdc998eef674d6a80f284b7d23a61695006

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d487323d2f0975f67edac968acbde71c141cfd9437b9a6a0da6f94a99045982",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-02-26T20:55:42Z",
    "title_canon_sha256": "5ca615a2d2083cd3a795e054e2b4c868a78e5cd79d705a01ce9ce173b94a5e84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6580",
    "kind": "arxiv",
    "version": 1
  }
}