Pith Number

pith:VOY4IRWF

pith:2017:VOY4IRWFTECGTWQ26UH3EKGHHO

not attested not anchored not stored refs pending

Tilings with noncongruent triangles

Andrey Kupavskii, G\'abor Tardos, J\'anos Pach

arxiv:1711.04504 v3 · 2017-11-13 · math.CO · cs.DM · 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{VOY4IRWFTECGTWQ26UH3EKGHHO}

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	2026-05-18T00:18:46.071356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abb1c446c5990469da1af50fb228c73ba9737486f5e1a63b2ea23f607c7b3355

Aliases

arxiv: 1711.04504 · arxiv_version: 1711.04504v3 · doi: 10.48550/arxiv.1711.04504 · pith_short_12: VOY4IRWFTECG · pith_short_16: VOY4IRWFTECGTWQ2 · pith_short_8: VOY4IRWF

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/VOY4IRWFTECGTWQ26UH3EKGHHO \
  | 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: abb1c446c5990469da1af50fb228c73ba9737486f5e1a63b2ea23f607c7b3355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afa14bef050ea42bad8d7a998f0e2c96d6a29b1b06418f3cd4ec633683d4aadf",
    "cross_cats_sorted": [
      "cs.DM",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-11-13T10:31:02Z",
    "title_canon_sha256": "14d07c60e26ae480a40a3293c6b038ca7cc7fefc7808814cf4ee7a73f9da6e46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04504",
    "kind": "arxiv",
    "version": 3
  }
}