Pith Number

pith:OOPU3REX

pith:2014:OOPU3REXJVAA4O7DEAYSPMZIEI

not attested not anchored not stored refs pending

Increasing-Chord Graphs On Point Sets

Fabrizio Frati, Hooman Reisi Dehkordi, Joachim Gudmundsson

arxiv:1408.2592 v1 · 2014-08-12 · 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{OOPU3REXJVAA4O7DEAYSPMZIEI}

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	2026-05-18T02:45:22.719944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

739f4dc4974d400e3be3203127b3282238da4ed9c3273aac2cb83a1daa82dc05

Aliases

arxiv: 1408.2592 · arxiv_version: 1408.2592v1 · doi: 10.48550/arxiv.1408.2592 · pith_short_12: OOPU3REXJVAA · pith_short_16: OOPU3REXJVAA4O7D · pith_short_8: OOPU3REX

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/OOPU3REXJVAA4O7DEAYSPMZIEI \
  | 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: 739f4dc4974d400e3be3203127b3282238da4ed9c3273aac2cb83a1daa82dc05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "451570481e678d81910c4aa535a481d1f27a780e889ba385f1b0b0f03f62c0f6",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-08-12T00:36:10Z",
    "title_canon_sha256": "32298c4c965e9b471703b2e1ab9e56fb5a5d0b9537542237ae0ffb8d64f3cab3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2592",
    "kind": "arxiv",
    "version": 1
  }
}