Pith Number

pith:2T5KTDG5

pith:2012:2T5KTDG5WAIIKKWUONF2KC5E5L

not attested not anchored not stored refs pending

Crowdsourcing with Endogenous Entry

Arpita Ghosh, Preston McAfee

arxiv:1202.4997 v1 · 2012-02-22 · 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{2T5KTDG5WAIIKKWUONF2KC5E5L}

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	2026-05-18T02:21:17.665524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4faa98cddb010852ad4734ba50ba4ead06eafd6999a49c07b435c3af1da45ed

Aliases

arxiv: 1202.4997 · arxiv_version: 1202.4997v1 · doi: 10.48550/arxiv.1202.4997 · pith_short_12: 2T5KTDG5WAII · pith_short_16: 2T5KTDG5WAIIKKWU · pith_short_8: 2T5KTDG5

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/2T5KTDG5WAIIKKWUONF2KC5E5L \
  | 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: d4faa98cddb010852ad4734ba50ba4ead06eafd6999a49c07b435c3af1da45ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c03db936eb7101f43409d88640c2c58a5409a9d39a30e38eaccbe88fa74e36e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2012-02-22T18:15:49Z",
    "title_canon_sha256": "01af67e29ad813aa6318b51251cebd1585e35d8271a0787743b71c73205830ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4997",
    "kind": "arxiv",
    "version": 1
  }
}