Pith Number

pith:MZWJ2EWH

pith:2018:MZWJ2EWHFUSHYEME4V7DG6VXQE

not attested not anchored not stored refs pending

On the number of non-hexagons in a planar tiling

Arseniy Akopyan

arxiv:1805.01652 v1 · 2018-05-04 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZWJ2EWHFUSHYEME4V7DG6VXQE}

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	2026-05-18T00:16:47.174305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

666c9d12c72d247c1184e57e337ab781152eae22742f96356789b0fa5643c721

Aliases

arxiv: 1805.01652 · arxiv_version: 1805.01652v1 · doi: 10.48550/arxiv.1805.01652 · pith_short_12: MZWJ2EWHFUSH · pith_short_16: MZWJ2EWHFUSHYEME · pith_short_8: MZWJ2EWH

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/MZWJ2EWHFUSHYEME4V7DG6VXQE \
  | 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: 666c9d12c72d247c1184e57e337ab781152eae22742f96356789b0fa5643c721

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "166283ace4572e0db4a5d8d8ac00b03ad403b5aa66eb6e0c5dd304af4c36fe42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-05-04T08:21:09Z",
    "title_canon_sha256": "802ca2c2981722bc3fd4df0e53f09800101e940536f0c91e57f660ecdf73fdfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01652",
    "kind": "arxiv",
    "version": 1
  }
}