Pith Number

pith:EQTX7IBH

pith:2013:EQTX7IBHZIMT44XUIGKXTD2SSN

not attested not anchored not stored refs pending

Fourier analysis on finite groups and the Lov\'asz theta-number of Cayley graphs

David de Laat, Evan DeCorte, Frank Vallentin

arxiv:1307.5703 v1 · 2013-07-22 · math.OC · 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{EQTX7IBHZIMT44XUIGKXTD2SSN}

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	2026-05-18T02:49:31.798894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24277fa027ca193e72f44195798f529366ef2c9119371ff224cc74967aca9327

Aliases

arxiv: 1307.5703 · arxiv_version: 1307.5703v1 · doi: 10.48550/arxiv.1307.5703 · pith_short_12: EQTX7IBHZIMT · pith_short_16: EQTX7IBHZIMT44XU · pith_short_8: EQTX7IBH

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/EQTX7IBHZIMT44XUIGKXTD2SSN \
  | 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: 24277fa027ca193e72f44195798f529366ef2c9119371ff224cc74967aca9327

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d40f06a7ec3a8d0516255b38d53e09c249730a1f9e27dda6c4399ae6a5010734",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-07-22T13:38:51Z",
    "title_canon_sha256": "48b17d8f3d88528c7ec8ce02c05b5bf47ce8699f829b9c333c1e66da568a40a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5703",
    "kind": "arxiv",
    "version": 1
  }
}