Pith Number

pith:BMR6JHDW

pith:2018:BMR6JHDW4UIMJ2V2VCB55R4OSP

not attested not anchored not stored refs pending

On contact graphs of paths on a grid

Andrea Munaro, Bernard Ries, Esther Galby, Zakir Deniz

arxiv:1803.03468 v4 · 2018-03-09 · 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{BMR6JHDW4UIMJ2V2VCB55R4OSP}

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	2026-05-18T00:06:25.109737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b23e49c76e510c4eabaa883dec78e93f468081e7774eeab93e794e64d83f0a6

Aliases

arxiv: 1803.03468 · arxiv_version: 1803.03468v4 · doi: 10.48550/arxiv.1803.03468 · pith_short_12: BMR6JHDW4UIM · pith_short_16: BMR6JHDW4UIMJ2V2 · pith_short_8: BMR6JHDW

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/BMR6JHDW4UIMJ2V2VCB55R4OSP \
  | 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: 0b23e49c76e510c4eabaa883dec78e93f468081e7774eeab93e794e64d83f0a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38fbeba35a27637eb0582bd02a5f67e7cb71dadbc6ec6df84d67bacecf553e36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-03-09T11:19:48Z",
    "title_canon_sha256": "659c80d4dc77df5127921db06e531a6f1b39d1817d9924a9efa56c5a9b1be524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03468",
    "kind": "arxiv",
    "version": 4
  }
}