Pith Number

pith:X6OZ5LUG

pith:2017:X6OZ5LUGXTOFCZJ5TU6OWUBUHQ

not attested not anchored not stored refs pending

PreCog: Improving Crowdsourced Data Quality Before Acquisition

Eugene Wu, Hamed Nilforoshan, Jiannan Wang

arxiv:1704.02384 v1 · 2017-04-07 · cs.DB · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6OZ5LUGXTOFCZJ5TU6OWUBUHQ}

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	2026-05-18T00:46:45.766921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf9d9eae86bcdc51653d9d3ceb50343c156655e7eeb27aaa2681470b2239e634

Aliases

arxiv: 1704.02384 · arxiv_version: 1704.02384v1 · doi: 10.48550/arxiv.1704.02384 · pith_short_12: X6OZ5LUGXTOF · pith_short_16: X6OZ5LUGXTOFCZJ5 · pith_short_8: X6OZ5LUG

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/X6OZ5LUGXTOFCZJ5TU6OWUBUHQ \
  | 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: bf9d9eae86bcdc51653d9d3ceb50343c156655e7eeb27aaa2681470b2239e634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "757277c9ced92fd28b8c8eed8ba81469828f07d8230bc36444a8b5633ed41ee1",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-04-07T21:53:13Z",
    "title_canon_sha256": "e711a48c77bdd1f131cabac32eaa2be7766bb297b759ea64cf1c4af432a0927a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02384",
    "kind": "arxiv",
    "version": 1
  }
}