pith. sign in
Pith Number

pith:USBQO2HM

pith:2009:USBQO2HMXAY5OUSG7MFW64YBJM
not attested not anchored not stored refs pending

OntoELAN: An Ontology-based Linguistic Multimedia Annotator

Albert Russel, Alexander Klassmann, Anthony Aristar, Artem Chebotko, Farshad Fotouhi, Han Sloetjes, Hennie Brugman, Peter Wittenburg, Shiyong Lu, Yu Deng

arxiv:0902.3026 v1 · 2009-02-18 · cs.DL · cs.DB · cs.MM · cs.SE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{USBQO2HMXAY5OUSG7MFW64YBJM}

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 2026-05-18T00:57:58.267011Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a4830768ecb831d75246fb0b6f73014b27c82d022053467abdca840a9c6f540b

Aliases

arxiv: 0902.3026 · arxiv_version: 0902.3026v1 · doi: 10.48550/arxiv.0902.3026 · pith_short_12: USBQO2HMXAY5 · pith_short_16: USBQO2HMXAY5OUSG · pith_short_8: USBQO2HM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/USBQO2HMXAY5OUSG7MFW64YBJM \
  | 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: a4830768ecb831d75246fb0b6f73014b27c82d022053467abdca840a9c6f540b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "777fe0504da6eed6bad5bc616b1f6df96965693706d15438e97d1e1b731e2324",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.MM",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2009-02-18T00:40:37Z",
    "title_canon_sha256": "c54dcdce1c5f879bd30e419b37319922d1847bb99899117fea53e7d8bf9440f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3026",
    "kind": "arxiv",
    "version": 1
  }
}