Pith Number

pith:WTFPNBI4

pith:2019:WTFPNBI4KBFE6T2EAYTSCNNTBA

not attested not anchored not stored refs pending

Incentivizing the Workers for Truth Discovery in Crowdsourcing with Copiers

Dejun Yang, Jia Xu, Lijie Xu, Lingyun Jiang, Xiaofu Niu

arxiv:1902.03889 v1 · 2019-01-12 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTFPNBI4KBFE6T2EAYTSCNNTBA}

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	2026-05-17T23:54:17.633431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4caf6851c504a4f4f4406272135b3082ed605deec3b81d5380629595dbf4a36

Aliases

arxiv: 1902.03889 · arxiv_version: 1902.03889v1 · doi: 10.48550/arxiv.1902.03889 · pith_short_12: WTFPNBI4KBFE · pith_short_16: WTFPNBI4KBFE6T2E · pith_short_8: WTFPNBI4

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/WTFPNBI4KBFE6T2EAYTSCNNTBA \
  | 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: b4caf6851c504a4f4f4406272135b3082ed605deec3b81d5380629595dbf4a36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cc21e4db7d27bcda41f5fb36904dc11949ae4ed249e44ef182fefef4f13a1d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2019-01-12T08:30:51Z",
    "title_canon_sha256": "e7bb860632701d475a01110c16147c08621b850489ec867c3b57fb961d767095"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03889",
    "kind": "arxiv",
    "version": 1
  }
}