Pith Number

pith:DNWQ37R2

pith:2020:DNWQ37R2M23DVUS4NOKMSDE5G4

not attested not anchored not stored refs pending

Plane augmentation of plane graphs to meet parity constraints

A. Garc\'ia, J.C. Catana, J. Tejel, J. Urrutia

arxiv:2007.11863 v1 · 2020-07-23 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNWQ37R2M23DVUS4NOKMSDE5G4}

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	2026-07-05T01:21:41.168432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b6d0dfe3a66b63ad25c6b94c90c9d370cef5bcda68a2e1d49623bbf82578f55

Aliases

arxiv: 2007.11863 · arxiv_version: 2007.11863v1 · doi: 10.48550/arxiv.2007.11863 · pith_short_12: DNWQ37R2M23D · pith_short_16: DNWQ37R2M23DVUS4 · pith_short_8: DNWQ37R2

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/DNWQ37R2M23DVUS4NOKMSDE5G4 \
  | 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: 1b6d0dfe3a66b63ad25c6b94c90c9d370cef5bcda68a2e1d49623bbf82578f55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cabd7645f925864c4432274543a1f2676cea6508ec062265db60bfec854b4c3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2020-07-23T08:43:33Z",
    "title_canon_sha256": "d1f14e7bd95b246ff1267c1461f0786b77714bd993a7b9d915716fbf27c08c25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.11863",
    "kind": "arxiv",
    "version": 1
  }
}