Pith Number

pith:FDWCNRIV

pith:2025:FDWCNRIVUKBL3FSBESRIHW6QRU

not attested not anchored not stored refs pending

The Generalized Skew Spectrum of Graphs

Alessandro Luongo, Armando Bellante, Martin Pl\'avala

arxiv:2505.23609 v1 · 2025-05-29 · cs.LG · cs.DS · math.GR · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDWCNRIVUKBL3FSBESRIHW6QRU}

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	2026-07-05T11:12:04.665678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ec26c515a282bd964124a283dbd08d39cd4894ec2a9391e11ac4b7307aa673

Aliases

arxiv: 2505.23609 · arxiv_version: 2505.23609v1 · doi: 10.48550/arxiv.2505.23609 · pith_short_12: FDWCNRIVUKBL · pith_short_16: FDWCNRIVUKBL3FSB · pith_short_8: FDWCNRIV

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/FDWCNRIVUKBL3FSBESRIHW6QRU \
  | 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: 28ec26c515a282bd964124a283dbd08d39cd4894ec2a9391e11ac4b7307aa673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19efdfb82869418b349c7e0d9ffbc2bf34b9cc408d7458cde3b5d5be75a6eff3",
    "cross_cats_sorted": [
      "cs.DS",
      "math.GR",
      "math.RT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-29T16:18:01Z",
    "title_canon_sha256": "6b124868e8651ec31a212be877e548c324bc587e96d454159e6cbebf39a1fb05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23609",
    "kind": "arxiv",
    "version": 1
  }
}