Pith Number

pith:PC5TXMYR

pith:2013:PC5TXMYR27OUFY5ZASY4BWEVRE

not attested not anchored not stored refs pending

A Multiscale Sub-linear Time Fourier Algorithm for Noisy Data

Andrew Christlieb, David Lawlor, Yang Wang

arxiv:1304.4517 v2 · 2013-04-16 · math.NA · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PC5TXMYR27OUFY5ZASY4BWEVRE}

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	2026-05-18T03:14:30.341557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78bb3bb311d7dd42e3b904b1c0d895891ef353b4cd1435d37ec691140c7c6d93

Aliases

arxiv: 1304.4517 · arxiv_version: 1304.4517v2 · doi: 10.48550/arxiv.1304.4517 · pith_short_12: PC5TXMYR27OU · pith_short_16: PC5TXMYR27OUFY5Z · pith_short_8: PC5TXMYR

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/PC5TXMYR27OUFY5ZASY4BWEVRE \
  | 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: 78bb3bb311d7dd42e3b904b1c0d895891ef353b4cd1435d37ec691140c7c6d93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e314fb2fc4cb57da4de10a2b27de1a304b2a579bb6c31a2d058f21400045477",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-04-16T16:49:43Z",
    "title_canon_sha256": "c1507ca29960bd535d37195ce279bc8ad752c5e2de1048e9f10a54b9d9039710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4517",
    "kind": "arxiv",
    "version": 2
  }
}