Pith Number

pith:5PEDZQ4H

pith:2019:5PEDZQ4HNMS3GM6TNRJP7UWHBF

not attested not anchored not stored refs pending

Variants of the Segment Number of a Graph

Alexander Ravsky, Alexander Wolff, Yoshio Okamoto

arxiv:1908.08871 v2 · 2019-08-23 · 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{5PEDZQ4HNMS3GM6TNRJP7UWHBF}

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.

Cited by

1 paper in Pith

The Parameterized Complexity of Computing the Linear Vertex Arboricity

Receipt and verification

First computed	2026-07-05T00:03:00.975975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebc83cc3876b25b333d36c52ffd2c7094fe468bd33c0e5e3bcee2b5a82dfcbf9

Aliases

arxiv: 1908.08871 · arxiv_version: 1908.08871v2 · doi: 10.48550/arxiv.1908.08871 · pith_short_12: 5PEDZQ4HNMS3 · pith_short_16: 5PEDZQ4HNMS3GM6T · pith_short_8: 5PEDZQ4H

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/5PEDZQ4HNMS3GM6TNRJP7UWHBF \
  | 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: ebc83cc3876b25b333d36c52ffd2c7094fe468bd33c0e5e3bcee2b5a82dfcbf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2e723d3907a0630b330d6f04ec0f7d00a1cfd12a83fdfa9b719ed334a058377",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-08-23T15:37:38Z",
    "title_canon_sha256": "d70c7d4759026d403bf14d23588f5caec66c4332a34521e3c311a1a77e053973"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08871",
    "kind": "arxiv",
    "version": 2
  }
}