Pith Number

pith:ODTU7OTV

pith:2014:ODTU7OTVO5PUVM2ZTDKFBF45JT

not attested not anchored not stored refs pending

Conditions for Discrete Equidecomposability of Polygons

Paxton Turner, Yuhuai Wu

arxiv:1412.0191 v1 · 2014-11-30 · 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{ODTU7OTVO5PUVM2ZTDKFBF45JT}

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	2026-05-18T02:32:28.272064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70e74fba75775f4ab35998d450979d4cccf6afb12c780bf30c390087071d3660

Aliases

arxiv: 1412.0191 · arxiv_version: 1412.0191v1 · doi: 10.48550/arxiv.1412.0191 · pith_short_12: ODTU7OTVO5PU · pith_short_16: ODTU7OTVO5PUVM2Z · pith_short_8: ODTU7OTV

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/ODTU7OTVO5PUVM2ZTDKFBF45JT \
  | 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: 70e74fba75775f4ab35998d450979d4cccf6afb12c780bf30c390087071d3660

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60356c42cfef31ae09600ae2c30d6d26fe2f3fe0a85047750d231aabfdd937e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-30T07:38:53Z",
    "title_canon_sha256": "e50d8dc0d9e5158d631be1d77f518ba014b58a1bf0a47f8f599e96eac0a76ed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0191",
    "kind": "arxiv",
    "version": 1
  }
}