Pith Number

pith:QY55L5FM

pith:2014:QY55L5FMADHVSZBQLGVC22P4HF

not attested not anchored not stored refs pending

Lessons Learned from an Experiment in Crowdsourcing Complex Citizen Engineering Tasks with Amazon Mechanical Turk

Ahsan Kareem, Daniel Wei, David Hachen, Douglas Thain, Greg Madey, Matthew Staffelbach, Peter Sempolinski, Tracy Kijewski-Correa

arxiv:1406.7588 v1 · 2014-06-30 · cs.SI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QY55L5FMADHVSZBQLGVC22P4HF}

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	2026-05-18T02:48:44.701815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

863bd5f4ac00cf59643059aa2d69fc397a6a5e041a61c6efaaf4e5fc5213a623

Aliases

arxiv: 1406.7588 · arxiv_version: 1406.7588v1 · doi: 10.48550/arxiv.1406.7588 · pith_short_12: QY55L5FMADHV · pith_short_16: QY55L5FMADHVSZBQ · pith_short_8: QY55L5FM

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/QY55L5FMADHVSZBQLGVC22P4HF \
  | 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: 863bd5f4ac00cf59643059aa2d69fc397a6a5e041a61c6efaaf4e5fc5213a623

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab260dca08661c8b6094da08aa315d8ecb90939cc725c28b3b0bc57fb78b1983",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2014-06-30T02:56:30Z",
    "title_canon_sha256": "9dd1878a4fcaed613c4683e176b8c2d5229064aec91c8f218f1749ec1865214a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7588",
    "kind": "arxiv",
    "version": 1
  }
}