Pith Number

pith:TQ65GWNT

pith:2021:TQ65GWNTVFC75JDGDQXZFRUV4D

not attested not anchored not stored refs pending

High-dimensional holeyominoes

Erika Roldan, Fedor Manin, Greg Malen

arxiv:2104.04558 v1 · 2021-04-09 · math.CO · math.AT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQ65GWNTVFC75JDGDQXZFRUV4D}

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	2026-07-05T04:44:27.736335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c3dd359b3a945fea4661c2f92c695e0d50a683e23946fd8b24635b14e302757

Aliases

arxiv: 2104.04558 · arxiv_version: 2104.04558v1 · doi: 10.48550/arxiv.2104.04558 · pith_short_12: TQ65GWNTVFC7 · pith_short_16: TQ65GWNTVFC75JDG · pith_short_8: TQ65GWNT

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/TQ65GWNTVFC75JDGDQXZFRUV4D \
  | 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: 9c3dd359b3a945fea4661c2f92c695e0d50a683e23946fd8b24635b14e302757

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ac585232f9efd57c761e0cf2668acc1547a6369092a01c7b221fd0dbf703910",
    "cross_cats_sorted": [
      "math.AT",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-04-09T18:36:26Z",
    "title_canon_sha256": "0d68dcefbdf56a5d936a14cf66067e2889b847169d32366f0b3f439889f841e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04558",
    "kind": "arxiv",
    "version": 1
  }
}