pith. sign in
Pith Number

pith:4K4ZMOIZ

pith:2012:4K4ZMOIZGDVSCTNGEI3WPDDKYV
not attested not anchored not stored refs pending

CDAS: A Crowdsourcing Data Analytics System

Beng Chin Ooi, Meihui Zhang, Meiyu Lu, Sai Wu, Xuan Liu, Yanyan Shen

arxiv:1207.0143 v1 · 2012-06-30 · cs.DB

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4K4ZMOIZGDVSCTNGEI3WPDDKYV}

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 2026-05-18T03:52:00.176704Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e2b996391930eb214da62237678c6ac56c83127697752ea94fe5e5dd86a6934b

Aliases

arxiv: 1207.0143 · arxiv_version: 1207.0143v1 · doi: 10.48550/arxiv.1207.0143 · pith_short_12: 4K4ZMOIZGDVS · pith_short_16: 4K4ZMOIZGDVSCTNG · pith_short_8: 4K4ZMOIZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4K4ZMOIZGDVSCTNGEI3WPDDKYV \
  | 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: e2b996391930eb214da62237678c6ac56c83127697752ea94fe5e5dd86a6934b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1cd1e231b20e3301e2db383253f1b86d1688987dd759fac7599cf6dc879aafbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-06-30T20:21:52Z",
    "title_canon_sha256": "76ed4b3d9ef9e9918942979be4287c5800683ce04c53bfdce502bf0b9188abc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0143",
    "kind": "arxiv",
    "version": 1
  }
}