Pith Number

pith:STDSNK7N

pith:2018:STDSNK7NZCYA5CHL7ZX4CEFVZI

not attested not anchored not stored refs pending

Lov\'asz Meets Weisfeiler and Leman

Gaurav Rattan, Holger Dell, Martin Grohe

arxiv:1802.08876 v2 · 2018-02-24 · cs.DS · 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{STDSNK7NZCYA5CHL7ZX4CEFVZI}

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	2026-05-18T00:15:27.992794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94c726abedc8b00e88ebfe6fc110b5ca27abf594ec21e5276a36c747137a87e9

Aliases

arxiv: 1802.08876 · arxiv_version: 1802.08876v2 · doi: 10.48550/arxiv.1802.08876 · pith_short_12: STDSNK7NZCYA · pith_short_16: STDSNK7NZCYA5CHL · pith_short_8: STDSNK7N

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/STDSNK7NZCYA5CHL7ZX4CEFVZI \
  | 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: 94c726abedc8b00e88ebfe6fc110b5ca27abf594ec21e5276a36c747137a87e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f83e445fc4aa197b404f40bd39ff7088cb62cbb8411a203c1f56392a82f0e5ef",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-02-24T16:23:46Z",
    "title_canon_sha256": "1f9e05ad6f203e519bc0fe50744e249fa2453ed939ce1e5f73f1bee5990e01db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08876",
    "kind": "arxiv",
    "version": 2
  }
}