Pith Number

pith:RBQUOCMJ

pith:2009:RBQUOCMJ6GFRQ74B5PXKKMIT6Z

not attested not anchored not stored refs pending

A fast algorithm for the linear canonical transform

Jared Figueroa, Rafael G. Campos

arxiv:0912.1379 v1 · 2009-12-08 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBQUOCMJ6GFRQ74B5PXKKMIT6Z}

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	2026-06-03T23:06:31.195879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8861470989f18b187f81ebeea53113f64746b4c013ac6a85cb46464212862795

Aliases

arxiv: 0912.1379 · arxiv_version: 0912.1379v1 · doi: 10.48550/arxiv.0912.1379 · pith_short_12: RBQUOCMJ6GFR · pith_short_16: RBQUOCMJ6GFRQ74B · pith_short_8: RBQUOCMJ

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/RBQUOCMJ6GFRQ74B5PXKKMIT6Z \
  | 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: 8861470989f18b187f81ebeea53113f64746b4c013ac6a85cb46464212862795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77655a0e74b0bea0fe074d2802544db9318fe39de700d1460ed9db117534b060",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-12-08T00:45:35Z",
    "title_canon_sha256": "5912d69870f6ed0d1090f4227d41fed6698637b4f87fa1876447e176fa66ba8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1379",
    "kind": "arxiv",
    "version": 1
  }
}