Pith Number

pith:QF6KSFCP

pith:2013:QF6KSFCPIMIUL6UKVUMIOTKN65

not attested not anchored not stored refs pending

A General Geometric Fourier Transform

Eckhard Hitzer, Gerik Scheuermann, Roxana Bujack

arxiv:1306.2184 v1 · 2013-06-10 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QF6KSFCPIMIUL6UKVUMIOTKN65}

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	2026-05-18T03:21:22.128534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

817ca9144f431145fa8aad18874d4df7403ade4a4954ef004f41feadf3330c8a

Aliases

arxiv: 1306.2184 · arxiv_version: 1306.2184v1 · doi: 10.48550/arxiv.1306.2184 · pith_short_12: QF6KSFCPIMIU · pith_short_16: QF6KSFCPIMIUL6UK · pith_short_8: QF6KSFCP

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/QF6KSFCPIMIUL6UKVUMIOTKN65 \
  | 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: 817ca9144f431145fa8aad18874d4df7403ade4a4954ef004f41feadf3330c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d056f8739d6b59db784fd32c1850e2b8deee836a3a1db4046c7d111750a962ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-06-10T12:31:47Z",
    "title_canon_sha256": "8e2b37112522c0ab537f0425f7cd5ed2d848eec476aaba9b7b6adc8986fab82f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2184",
    "kind": "arxiv",
    "version": 1
  }
}