Pith Number

pith:RQRSZFBO

pith:2019:RQRSZFBOIAD7LJR4YZPUS5X2H4

not attested not anchored not stored refs pending

Drawing HV-Restricted Planar Graphs

Debajyoti Mondal, Saeed Mehrabi, Stefan Felsner, Stephane Durocher

arxiv:1904.06760 v1 · 2019-04-14 · 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{RQRSZFBOIAD7LJR4YZPUS5X2H4}

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	2026-05-17T23:48:36.296713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c232c942e4007f5a63cc65f4976fa3f25efe84b9ac71f6942aec3963620f9e7

Aliases

arxiv: 1904.06760 · arxiv_version: 1904.06760v1 · doi: 10.48550/arxiv.1904.06760 · pith_short_12: RQRSZFBOIAD7 · pith_short_16: RQRSZFBOIAD7LJR4 · pith_short_8: RQRSZFBO

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/RQRSZFBOIAD7LJR4YZPUS5X2H4 \
  | 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: 8c232c942e4007f5a63cc65f4976fa3f25efe84b9ac71f6942aec3963620f9e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26f5b61cd57810f8153a11e8976d3a050f2c91e7803311ce1fe1326d76b9234e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-04-14T21:13:48Z",
    "title_canon_sha256": "b1f61bcd979f7016bb46095cd0079d30e7fe2b9d071cefcb295ee721468ac0f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06760",
    "kind": "arxiv",
    "version": 1
  }
}