Pith Number

pith:IGHU4IV7

pith:2016:IGHU4IV775633J7GDZUDPAEUBG

not attested not anchored not stored refs pending

A linear algorithm for Brick Wang tiling

Alexandre Derouet-Jourdan, Shizuo Kaji, Yoshihiro Mizoguchi

arxiv:1603.04292 v2 · 2016-03-14 · cs.DM · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGHU4IV775633J7GDZUDPAEUBG}

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	2026-05-18T00:44:58.128190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

418f4e22bfff7dbda7e61e6837809409b1ff5f23f19ba61ea313f6c399aef6cc

Aliases

arxiv: 1603.04292 · arxiv_version: 1603.04292v2 · doi: 10.48550/arxiv.1603.04292 · pith_short_12: IGHU4IV77563 · pith_short_16: IGHU4IV775633J7G · pith_short_8: IGHU4IV7

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/IGHU4IV775633J7GDZUDPAEUBG \
  | 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: 418f4e22bfff7dbda7e61e6837809409b1ff5f23f19ba61ea313f6c399aef6cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9989c3c649f2530ef34b1844f534ed934de22f83108d7b01ab25c221d427a913",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-03-14T14:59:41Z",
    "title_canon_sha256": "724f28e6a1866103902c0f3065ed32dab32f7753d27b40440228609949bf39e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04292",
    "kind": "arxiv",
    "version": 2
  }
}