Pith Number

pith:5PLDI2I6

pith:2013:5PLDI2I6APIV3ESYCTEFLO5POW

not attested not anchored not stored refs pending

Minimal complete Shidoku symmetry groups

Elizabeth Arnold, Laura Taalman, Rebecca Field, Stephen Lucas

arxiv:1302.5949 v1 · 2013-02-24 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PLDI2I6APIV3ESYCTEFLO5POW}

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	2026-05-18T03:32:33.145542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebd634691e03d15d925814c855bbaf75a0350d313cde0dbc982b1ac65664946e

Aliases

arxiv: 1302.5949 · arxiv_version: 1302.5949v1 · doi: 10.48550/arxiv.1302.5949 · pith_short_12: 5PLDI2I6APIV · pith_short_16: 5PLDI2I6APIV3ESY · pith_short_8: 5PLDI2I6

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/5PLDI2I6APIV3ESYCTEFLO5POW \
  | 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: ebd634691e03d15d925814c855bbaf75a0350d313cde0dbc982b1ac65664946e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd44f611602051408419cbe5d1e10b28b34d339aee0a178dd8255bc30e48dde3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-02-24T20:38:28Z",
    "title_canon_sha256": "dde484052f9441809409aa88356b2c6e03e73452ad54d15c705013eb00f6af41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5949",
    "kind": "arxiv",
    "version": 1
  }
}