Pith Number

pith:O3H3HXFV

pith:2014:O3H3HXFVS7FI22JA5VBKQ6UUTP

not attested not anchored not stored refs pending

The coordinate ring of a simple polyomino

Juergen Herzog, Sara Saeedi Madani

arxiv:1408.4275 v1 · 2014-08-19 · math.AC · 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{O3H3HXFVS7FI22JA5VBKQ6UUTP}

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	2026-05-18T02:44:55.748539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76cfb3dcb597ca8d6920ed42a87a949bdb67dbcde811ecd6804abdbcfb24b2f2

Aliases

arxiv: 1408.4275 · arxiv_version: 1408.4275v1 · doi: 10.48550/arxiv.1408.4275 · pith_short_12: O3H3HXFVS7FI · pith_short_16: O3H3HXFVS7FI22JA · pith_short_8: O3H3HXFV

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/O3H3HXFVS7FI22JA5VBKQ6UUTP \
  | 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: 76cfb3dcb597ca8d6920ed42a87a949bdb67dbcde811ecd6804abdbcfb24b2f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b10eca30bdbe5aa7c50333a5929ad57a5d41a5c29268e9c684a710d7fff069d",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2014-08-19T10:03:48Z",
    "title_canon_sha256": "59c0357c6a611d163c380f6d1c2416109958a0e43a75f0b6900438e33b2cf2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4275",
    "kind": "arxiv",
    "version": 1
  }
}