Pith Number

pith:DLBYEQRC

pith:2017:DLBYEQRCPMU3IREQDDPEFP3HVP

not attested not anchored not stored refs pending

Tilings of convex sets by mutually incongruent equilateral triangles contain arbitrarily small tiles

Christian Richter, Melchior Wirth

arxiv:1711.08903 v1 · 2017-11-24 · 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{DLBYEQRCPMU3IREQDDPEFP3HVP}

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	2026-05-18T00:29:41.792803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ac38242227b29b4449018de42bf67abc12d1025710522f9fe7df612eecfc932

Aliases

arxiv: 1711.08903 · arxiv_version: 1711.08903v1 · doi: 10.48550/arxiv.1711.08903 · pith_short_12: DLBYEQRCPMU3 · pith_short_16: DLBYEQRCPMU3IREQ · pith_short_8: DLBYEQRC

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/DLBYEQRCPMU3IREQDDPEFP3HVP \
  | 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: 1ac38242227b29b4449018de42bf67abc12d1025710522f9fe7df612eecfc932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf78b4b0d7d62820300f079aba0cfba1341e6fcd94c0a64410f98b4bebcd621a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-11-24T09:29:56Z",
    "title_canon_sha256": "ef06e3b4469da9fc6f1090e54b25eeb094871334fad492fb4736f2757145d859"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08903",
    "kind": "arxiv",
    "version": 1
  }
}