Pith Number

pith:MM2CDP5J

pith:2015:MM2CDP5JZ432QINY4QLKZO2S5J

not attested not anchored not stored refs pending

Globally Optimal Crowdsourcing Quality Management

Aditya Parameswaran, Akash Das Sarma, Jennifer Widom

arxiv:1502.07710 v2 · 2015-02-26 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MM2CDP5JZ432QINY4QLKZO2S5J}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:25:55.387520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

633421bfa9cf37a821b8e416acbb52ea75841b52739a4d17855db52650823c8c

Aliases

arxiv: 1502.07710 · arxiv_version: 1502.07710v2 · doi: 10.48550/arxiv.1502.07710 · pith_short_12: MM2CDP5JZ432 · pith_short_16: MM2CDP5JZ432QINY · pith_short_8: MM2CDP5J

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/MM2CDP5JZ432QINY4QLKZO2S5J \
  | 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: 633421bfa9cf37a821b8e416acbb52ea75841b52739a4d17855db52650823c8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "809cac1318477ab3bb4fdb7a3a8d5518c5801d6a5219f083a3b781b6f0afc9df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2015-02-26T20:09:29Z",
    "title_canon_sha256": "57ada3fb71a4aa9d3801078f9f662076a57636f006e10ca7fcb06d20334315ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07710",
    "kind": "arxiv",
    "version": 2
  }
}