Pith Number

pith:INVNEAOC

pith:2006:INVNEAOCG23DOCSA3Y46GXM2FU

not attested not anchored not stored refs pending

Enumeration of generalized polyominoes

Matthias Koch, Sascha Kurz

arxiv:math/0605144 v1 · 2006-05-05 · 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{INVNEAOCG23DOCSA3Y46GXM2FU}

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	2026-07-04T14:55:02.433860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

436ad201c236b6370a40de39e35d9a2d04ad750729aa856b502b739cc170fcfe

Aliases

arxiv: math/0605144 · arxiv_version: math/0605144v1 · doi: 10.48550/arxiv.math/0605144 · pith_short_12: INVNEAOCG23D · pith_short_16: INVNEAOCG23DOCSA · pith_short_8: INVNEAOC

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/INVNEAOCG23DOCSA3Y46GXM2FU \
  | 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: 436ad201c236b6370a40de39e35d9a2d04ad750729aa856b502b739cc170fcfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37a298fba96c1c1023a010d2e11a2e9cce92334fcc065acd2c35376008278902",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2006-05-05T09:19:36Z",
    "title_canon_sha256": "652f37af5fb9994d6cd925c236f788b1647a7a08f40d91d51f2ed71abddd5f36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0605144",
    "kind": "arxiv",
    "version": 1
  }
}