Pith Number

pith:4KDDRX6P

pith:2013:4KDDRX6POCE6PYITICIYWGQ37U

not attested not anchored not stored refs pending

Enumeration of Hybrid Domino-Lozenge Tilings II: Quasi-octagonal regions

Tri Lai

arxiv:1310.3332 v4 · 2013-10-12 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KDDRX6POCE6PYITICIYWGQ37U}

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	2026-05-18T02:43:24.261341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28638dfcf7089e7e11340918b1a1bfd22dcbcbf187c8048f74058b1883934bb

Aliases

arxiv: 1310.3332 · arxiv_version: 1310.3332v4 · doi: 10.48550/arxiv.1310.3332 · pith_short_12: 4KDDRX6POCE6 · pith_short_16: 4KDDRX6POCE6PYIT · pith_short_8: 4KDDRX6P

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/4KDDRX6POCE6PYITICIYWGQ37U \
  | 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: e28638dfcf7089e7e11340918b1a1bfd22dcbcbf187c8048f74058b1883934bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d16cdde94ee69cd7fc580cf86373a4a30c42acf1ea6f543c5613a92d715e7324",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-10-12T03:46:00Z",
    "title_canon_sha256": "4841506860af94441a534142c08a35c57c17532b4a6225b78a795c2c8c2d1c4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3332",
    "kind": "arxiv",
    "version": 4
  }
}