pith. sign in
Pith Number

pith:N3HJFNHQ

pith:2011:N3HJFNHQGPV26WGW7HSLPOXHQJ
not attested not anchored not stored refs pending

U-Sem: Semantic Enrichment, User Modeling and Mining of Usage Data on the Social Web

Claudia Hauff, Fabian Abel, Geert-Jan Houben, Ilknur Celik, Laura Hollink

arxiv:1104.0126 v1 · 2011-04-01 · cs.IR · cs.AI · cs.HC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N3HJFNHQGPV26WGW7HSLPOXHQJ}

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 2026-05-18T04:25:12.340250Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6ece92b4f033ebaf58d6f9e4b7bae7825cca26442385691e52830b42cd23613d

Aliases

arxiv: 1104.0126 · arxiv_version: 1104.0126v1 · doi: 10.48550/arxiv.1104.0126 · pith_short_12: N3HJFNHQGPV2 · pith_short_16: N3HJFNHQGPV26WGW · pith_short_8: N3HJFNHQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N3HJFNHQGPV26WGW7HSLPOXHQJ \
  | 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: 6ece92b4f033ebaf58d6f9e4b7bae7825cca26442385691e52830b42cd23613d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1baf3913147f7b5792bdd162caad6875972776c5939d07625b91e03b0bfe8bfe",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2011-04-01T09:59:10Z",
    "title_canon_sha256": "c0b0bb9820950c303e04f637bb84cb8b570585b186b80d0a48c1bec579bbdc74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0126",
    "kind": "arxiv",
    "version": 1
  }
}