Pith Number

pith:EXLM5WH2

pith:2010:EXLM5WH2XPYLGFPOIUZCVWNAJF

not attested not anchored not stored refs pending

Upper Tag Ontology (UTO) For Integrating Social Tagging Data

(2) Institute of Computer Science, (3) Division of Information Studies, Austria, Bloomington, Elin K. Jacob (1), Erjia Yan (1), IN, Indiana University, Information Science, Innsbruck, Ioan Toma (2), Michael Fried (2), Nanyang Technological University, Schubert Foo (3) ((1) School of Library, Singapore), University of Innsbruck, USA, Ying Ding (1)

arxiv:1012.4875 v1 · 2010-12-22 · 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{EXLM5WH2XPYLGFPOIUZCVWNAJF}

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	2026-05-18T04:32:45.078614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25d6ced8fabbf0b315ee45322ad9a0495ef3aef7412417db865d41e82da069e5

Aliases

arxiv: 1012.4875 · arxiv_version: 1012.4875v1 · doi: 10.48550/arxiv.1012.4875 · pith_short_12: EXLM5WH2XPYL · pith_short_16: EXLM5WH2XPYLGFPO · pith_short_8: EXLM5WH2

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/EXLM5WH2XPYLGFPOIUZCVWNAJF \
  | 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: 25d6ced8fabbf0b315ee45322ad9a0495ef3aef7412417db865d41e82da069e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4acd61fbe4dc46216b2047f165d17b52681f749ee6c6f5a3e9af0d9673575b35",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2010-12-22T03:36:15Z",
    "title_canon_sha256": "5e0aaa5a59cdb8e25e3ca32f25af59866e9cfdab35370318ab05aa6d41b6b1e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4875",
    "kind": "arxiv",
    "version": 1
  }
}