Pith Number

pith:F2UG23IN

pith:2017:F2UG23INQY2MZWUTV24IXM35ZR

not attested not anchored not stored refs pending

Playability and arbitrarily large rat games

Aviezri S. Fraenkel, Urban Larsson

arxiv:1705.03061 v2 · 2017-05-08 · 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{F2UG23INQY2MZWUTV24IXM35ZR}

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	2026-05-18T00:43:49.903293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ea86d6d0d8634ccda93aeb88bb37dcc6fcd72775dc298984effbf1886b1cf84

Aliases

arxiv: 1705.03061 · arxiv_version: 1705.03061v2 · doi: 10.48550/arxiv.1705.03061 · pith_short_12: F2UG23INQY2M · pith_short_16: F2UG23INQY2MZWUT · pith_short_8: F2UG23IN

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/F2UG23INQY2MZWUTV24IXM35ZR \
  | 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: 2ea86d6d0d8634ccda93aeb88bb37dcc6fcd72775dc298984effbf1886b1cf84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21a53aa3a6e589f0ec8834eb0798e5d164e55391e9f50a2343acca8d075bc649",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-08T19:45:13Z",
    "title_canon_sha256": "7bce6c5f4d899fe4adf49890e94790eb1029a98f7bc0ab54fc39a610ba50ef0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03061",
    "kind": "arxiv",
    "version": 2
  }
}