Pith Number

pith:KPWQOGMU

pith:2017:KPWQOGMU6G23CAZLURKLBGYU6W

not attested not anchored not stored refs pending

Convex Pentagon Tilings and Heptiamonds, I

Teruhisa Sugimoto, Yoshiaki Araki

arxiv:1704.03997 v2 · 2017-04-13 · 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{KPWQOGMU6G23CAZLURKLBGYU6W}

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	2026-05-18T00:21:46.451938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53ed071994f1b5b1032ba454b09b14f596025bf19d447f331368d111a0b18794

Aliases

arxiv: 1704.03997 · arxiv_version: 1704.03997v2 · doi: 10.48550/arxiv.1704.03997 · pith_short_12: KPWQOGMU6G23 · pith_short_16: KPWQOGMU6G23CAZL · pith_short_8: KPWQOGMU

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/KPWQOGMU6G23CAZLURKLBGYU6W \
  | 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: 53ed071994f1b5b1032ba454b09b14f596025bf19d447f331368d111a0b18794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1ac370ddbb3b8ba824188e1e11608f92a9da376c4953c21079b1a52189c84ca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-04-13T05:32:32Z",
    "title_canon_sha256": "31dd377fdb4101e855b351047252716c2f3d8b5cc9b69a527165c97907c1a598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03997",
    "kind": "arxiv",
    "version": 2
  }
}