Pith Number

pith:JVPXJBHI

pith:2013:JVPXJBHI6CWAJO6MXDMKAPV225

not attested not anchored not stored refs pending

Identifying codes of corona product graphs

Kaishun Wang, Min Feng

arxiv:1301.4295 v1 · 2013-01-18 · 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{JVPXJBHI6CWAJO6MXDMKAPV225}

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	2026-05-18T02:51:08.670308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d5f7484e8f0ac04bbccb8d8a03ebad76a5c13725d432c1d33dfb8537ec3d99e

Aliases

arxiv: 1301.4295 · arxiv_version: 1301.4295v1 · doi: 10.48550/arxiv.1301.4295 · pith_short_12: JVPXJBHI6CWA · pith_short_16: JVPXJBHI6CWAJO6M · pith_short_8: JVPXJBHI

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/JVPXJBHI6CWAJO6MXDMKAPV225 \
  | 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: 4d5f7484e8f0ac04bbccb8d8a03ebad76a5c13725d432c1d33dfb8537ec3d99e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39ad3289c79aa24e78919ff31416cbe10799e1e47c0715fb72843e014fd11607",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-01-18T05:02:14Z",
    "title_canon_sha256": "8fc92eb6a2d0bce0a59b55a19cd56ee6ddc7d4d2a699e539e22b3604929a6e20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4295",
    "kind": "arxiv",
    "version": 1
  }
}