Pith Number

pith:3UXCDSX4

pith:2010:3UXCDSX44ZXOR7PL225ASLGJYE

not attested not anchored not stored refs pending

Yet another aperiodic tile set

Victor Poupet (LIF)

arxiv:1012.1128 v1 · 2010-12-06 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3UXCDSX44ZXOR7PL225ASLGJYE}

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	2026-05-18T04:34:01.788841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd2e21cafce66ee8fdebd6ba092cc9c10cf6f1bc24a9343348a58d18501109da

Aliases

arxiv: 1012.1128 · arxiv_version: 1012.1128v1 · doi: 10.48550/arxiv.1012.1128 · pith_short_12: 3UXCDSX44ZXO · pith_short_16: 3UXCDSX44ZXOR7PL · pith_short_8: 3UXCDSX4

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/3UXCDSX44ZXOR7PL225ASLGJYE \
  | 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: dd2e21cafce66ee8fdebd6ba092cc9c10cf6f1bc24a9343348a58d18501109da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f427551abac3228fbcd3c621f05e5db77a8ba8efc082a2fd309b9a202abeb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2010-12-06T11:05:04Z",
    "title_canon_sha256": "fff94f1ded849ff1e1dae9bfe912da9b25ecdb23a437def9feff77cc3442fd98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1128",
    "kind": "arxiv",
    "version": 1
  }
}