Pith Number

pith:MYLUBFDA

pith:2018:MYLUBFDA3F6O5YEXB4OLUSWRG3

not attested not anchored not stored refs pending

Cores of Cubelike Graphs

David E. Roberson, Gordon Royle, Irene Pivotto, Laura Man\v{c}inska

arxiv:1808.02051 v1 · 2018-08-06 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYLUBFDA3F6O5YEXB4OLUSWRG3}

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	2026-05-18T00:08:47.792751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6617409460d97ceee0970f1cba4ad136e853186d84da18a754595478e8abdec0

Aliases

arxiv: 1808.02051 · arxiv_version: 1808.02051v1 · doi: 10.48550/arxiv.1808.02051 · pith_short_12: MYLUBFDA3F6O · pith_short_16: MYLUBFDA3F6O5YEX · pith_short_8: MYLUBFDA

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/MYLUBFDA3F6O5YEXB4OLUSWRG3 \
  | 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: 6617409460d97ceee0970f1cba4ad136e853186d84da18a754595478e8abdec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b351f64cb6f200e4dd905fa80d689beac2fa9c2b15dd583a7d9d40a96e526d70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-08-06T18:05:51Z",
    "title_canon_sha256": "d74cbaa02fb3dfa7bce02931b2522c3dfee491cc4f8db5c6c10e14b5bd4d5d6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02051",
    "kind": "arxiv",
    "version": 1
  }
}