Pith Number

pith:TSZLBR4T

pith:2008:TSZLBR4TEY7QGIVYZWGFQSTK2K

not attested not anchored not stored refs pending

Note on bipartite graph tilings

Jan Hladky, Mathias Schacht

arxiv:0806.1192 v2 · 2008-06-06 · 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{TSZLBR4TEY7QGIVYZWGFQSTK2K}

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	2026-05-18T00:39:18.879433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cb2b0c793263f0322b8cd8c584a6ad2930243504f3cb46f0a697457064adf73

Aliases

arxiv: 0806.1192 · arxiv_version: 0806.1192v2 · doi: 10.48550/arxiv.0806.1192 · pith_short_12: TSZLBR4TEY7Q · pith_short_16: TSZLBR4TEY7QGIVY · pith_short_8: TSZLBR4T

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/TSZLBR4TEY7QGIVYZWGFQSTK2K \
  | 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: 9cb2b0c793263f0322b8cd8c584a6ad2930243504f3cb46f0a697457064adf73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3468cb676dcabf493e7890742d22d2682cf36c932737c8ab69357097f71f6b11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2008-06-06T15:39:02Z",
    "title_canon_sha256": "8894646e88ad425017ed6d9f3796b69679ec75791b911c895b1f604bd5a5d5dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1192",
    "kind": "arxiv",
    "version": 2
  }
}