Pith Number

pith:VBS7NX2V

pith:2019:VBS7NX2VIF36UE6QDOVQYBNA75

not attested not anchored not stored refs pending

Morphing Contact Representations of Graphs

Giordano Da Lozzo, Patrizio Angelini, Sabine Cornelsen, Steven Chaplick, Vincenzo Roselli

arxiv:1903.07595 v1 · 2019-03-18 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBS7NX2VIF36UE6QDOVQYBNA75}

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	2026-05-17T23:51:00.920461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a865f6df554177ea13d01bab0c05a0ff4ebf2e32d706deeff73bf219a5093259

Aliases

arxiv: 1903.07595 · arxiv_version: 1903.07595v1 · doi: 10.48550/arxiv.1903.07595 · pith_short_12: VBS7NX2VIF36 · pith_short_16: VBS7NX2VIF36UE6Q · pith_short_8: VBS7NX2V

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/VBS7NX2VIF36UE6QDOVQYBNA75 \
  | 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: a865f6df554177ea13d01bab0c05a0ff4ebf2e32d706deeff73bf219a5093259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fb61a30234920d81f59fc06e3e7e0833d51c365e8915354c8456c39fd921858",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-03-18T17:42:52Z",
    "title_canon_sha256": "b91c13186616e82811473ef0e3ba3b2ee7c39f13b6653345fa54e7f1ba9880ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07595",
    "kind": "arxiv",
    "version": 1
  }
}