pith. sign in
Pith Number

pith:2ZO7LMLV

pith:2014:2ZO7LMLVDDVIZWWJEA7FLBTEHB
not attested not anchored not stored refs pending

Social Collaborative Retrieval

Alex Kulesza, Alfred Hero, Ko-Jen Hsiao

arxiv:1404.2342 v1 · 2014-04-09 · cs.IR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2ZO7LMLVDDVIZWWJEA7FLBTEHB}

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 2026-05-18T01:43:36.253425Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d65df5b17518ea8cdac9203e558664385af107d2a3d73c00189c82692f2b3f60

Aliases

arxiv: 1404.2342 · arxiv_version: 1404.2342v1 · doi: 10.48550/arxiv.1404.2342 · pith_short_12: 2ZO7LMLVDDVI · pith_short_16: 2ZO7LMLVDDVIZWWJ · pith_short_8: 2ZO7LMLV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2ZO7LMLVDDVIZWWJEA7FLBTEHB \
  | 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: d65df5b17518ea8cdac9203e558664385af107d2a3d73c00189c82692f2b3f60
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "07354e6b8f8a4b3c816ef8b2be86e05b856bc09e3bf483cd2568d437cd6f9560",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2014-04-09T01:18:05Z",
    "title_canon_sha256": "616b96af06d074b4dcd654b971b66d49b21e684afac1f715973411064b18d5ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2342",
    "kind": "arxiv",
    "version": 1
  }
}