Pith Number

pith:VCVK2SOU

pith:2017:VCVK2SOUGR2XJ2TMUUCPKZAEEZ

not attested not anchored not stored refs pending

T-Crowd: Effective Crowdsourcing for Tabular Data

Caihua Shan, Guoliang Li, Nikos Mamoulis, Reynold Cheng, Yudian Zheng, Zhipeng Huang

arxiv:1708.02125 v1 · 2017-08-07 · cs.DB

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCVK2SOUGR2XJ2TMUUCPKZAEEZ}

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	2026-05-18T00:38:32.262802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8aaad49d4347574ea6ca504f56404264b6485c397fd6b64dd696b92133d7883

Aliases

arxiv: 1708.02125 · arxiv_version: 1708.02125v1 · doi: 10.48550/arxiv.1708.02125 · pith_short_12: VCVK2SOUGR2X · pith_short_16: VCVK2SOUGR2XJ2TM · pith_short_8: VCVK2SOU

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/VCVK2SOUGR2XJ2TMUUCPKZAEEZ \
  | 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: a8aaad49d4347574ea6ca504f56404264b6485c397fd6b64dd696b92133d7883

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79575d15296e06285b6d51d10194edcf0296ddff343b011734fe1b1dacd2100b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-08-07T14:03:17Z",
    "title_canon_sha256": "bdf814557a90cac7c76a7fab32eaeda97d66fd1fe21d27efb18684925f423fdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02125",
    "kind": "arxiv",
    "version": 1
  }
}