Pith Number

pith:D2BZKLFW

pith:2016:D2BZKLFW6SBWKC7E2NFMRWEQOK

not attested not anchored not stored refs pending

Convex Polygons for Aperiodic Tiling

Teruhisa Sugimoto

arxiv:1602.06372 v2 · 2016-02-20 · 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{D2BZKLFW6SBWKC7E2NFMRWEQOK}

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	2026-05-18T00:27:22.377204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e83952cb6f483650be4d34ac8d8907293ace2b29b863869292b7a0701319dd7

Aliases

arxiv: 1602.06372 · arxiv_version: 1602.06372v2 · doi: 10.48550/arxiv.1602.06372 · pith_short_12: D2BZKLFW6SBW · pith_short_16: D2BZKLFW6SBWKC7E · pith_short_8: D2BZKLFW

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/D2BZKLFW6SBWKC7E2NFMRWEQOK \
  | 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: 1e83952cb6f483650be4d34ac8d8907293ace2b29b863869292b7a0701319dd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a77b7144f458b9063f57697196c8b63508447b6ccdc2a709f5dfd10cb50f51ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2016-02-20T06:37:08Z",
    "title_canon_sha256": "bc384d72d3a0ae982280607c4709d775d71cbcf911cef14f7a85b2e2a5aa45f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06372",
    "kind": "arxiv",
    "version": 2
  }
}