Pith Number

pith:WNNWWCZP

pith:2018:WNNWWCZP6GAMFS3FHYAKH75MJH

not attested not anchored not stored refs pending

Reasoning about Polymorphic Manifest Contracts

Atsushi Igarashi, Taro Sekiyama

arxiv:1806.07041 v1 · 2018-06-19 · cs.PL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNNWWCZP6GAMFS3FHYAKH75MJH}

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	2026-05-18T00:12:57.618287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b35b6b0b2ff180c2cb653e00a3ffac49d8a140b6e4b40c274b0b972019198a6a

Aliases

arxiv: 1806.07041 · arxiv_version: 1806.07041v1 · doi: 10.48550/arxiv.1806.07041 · pith_short_12: WNNWWCZP6GAM · pith_short_16: WNNWWCZP6GAMFS3F · pith_short_8: WNNWWCZP

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/WNNWWCZP6GAMFS3FHYAKH75MJH \
  | 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: b35b6b0b2ff180c2cb653e00a3ffac49d8a140b6e4b40c274b0b972019198a6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26184242764e00a3b9b2d83de5bf625c6922424e3c71c994706c5702903e05ee",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-06-19T05:08:27Z",
    "title_canon_sha256": "98f853ef281cc1de5f224984f394f35c6bbbffbf9280e95f1e6a8b5ae422ce7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07041",
    "kind": "arxiv",
    "version": 1
  }
}