Pith Number

pith:HMFAD5EJ

pith:2014:HMFAD5EJFHQYS2TCED6VYL7CSR

not attested not anchored not stored refs pending

Disjoint compatibility graph of non-crossing matchings of points in convex position

Andrei Asinowski, Oswin Aichholzer, Tillmann Miltzow

arxiv:1403.5546 v1 · 2014-03-21 · math.CO · cs.CG · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMFAD5EJFHQYS2TCED6VYL7CSR}

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	2026-05-18T02:55:50.271619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b0a01f48929e1896a6220fd5c2fe294657e0ef2f6637d96f16e02adc53a5106

Aliases

arxiv: 1403.5546 · arxiv_version: 1403.5546v1 · doi: 10.48550/arxiv.1403.5546 · pith_short_12: HMFAD5EJFHQY · pith_short_16: HMFAD5EJFHQYS2TC · pith_short_8: HMFAD5EJ

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/HMFAD5EJFHQYS2TCED6VYL7CSR \
  | 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: 3b0a01f48929e1896a6220fd5c2fe294657e0ef2f6637d96f16e02adc53a5106

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82fcef478a652f3fe8c0e64f519b9639c0fe922f97ebc65ed01e777016b7a40f",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-21T19:10:28Z",
    "title_canon_sha256": "f7a1980274f0c061ad4f3d45502b6b7aefd1973ab5cf2d95de9c63f451a8ffcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5546",
    "kind": "arxiv",
    "version": 1
  }
}