Pith Number

pith:QEOTOOOK

pith:2025:QEOTOOOKN3W2IN3USSDXT5HINZ

not attested not anchored not stored refs pending

Invariants and equidecomposability in rings of polygons with sides of given directions

Gergely Kiss, Mikl\'os Laczkovich

arxiv:2507.08608 v2 · 2025-07-11 · 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{QEOTOOOKN3W2IN3USSDXT5HINZ}

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	2026-06-02T01:03:32.526494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

811d3739ca6eeda43774948779f4e86e5d5ab7d7ddfabcdcd986aeb97d6b75eb

Aliases

arxiv: 2507.08608 · arxiv_version: 2507.08608v2 · doi: 10.48550/arxiv.2507.08608 · pith_short_12: QEOTOOOKN3W2 · pith_short_16: QEOTOOOKN3W2IN3U · pith_short_8: QEOTOOOK

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/QEOTOOOKN3W2IN3USSDXT5HINZ \
  | 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: 811d3739ca6eeda43774948779f4e86e5d5ab7d7ddfabcdcd986aeb97d6b75eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e9a2a00e522841c0c2e7260ca8711428b0e90766c18385e25c89c3079d85ea1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2025-07-11T14:03:18Z",
    "title_canon_sha256": "ced088846d8fbf74d0446770796d51bdba7841452ebe18336730aeb7bb9dc88e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.08608",
    "kind": "arxiv",
    "version": 2
  }
}