Pith Number

pith:YAYVHSPI

pith:2016:YAYVHSPIYYZ7RSAXKHA3624UWQ

not attested not anchored not stored refs pending

A Fast Fourier Transform for Fractal Approximations

Calvin Hotchkiss, Eric S. Weber

arxiv:1607.03690 v1 · 2016-07-13 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YAYVHSPIYYZ7RSAXKHA3624UWQ}

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	2026-05-18T01:11:07.351194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c03153c9e8c633f8c81751c1bf6b94b403aa6f3f6efbe678b2476be7989f8847

Aliases

arxiv: 1607.03690 · arxiv_version: 1607.03690v1 · doi: 10.48550/arxiv.1607.03690 · pith_short_12: YAYVHSPIYYZ7 · pith_short_16: YAYVHSPIYYZ7RSAX · pith_short_8: YAYVHSPI

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/YAYVHSPIYYZ7RSAXKHA3624UWQ \
  | 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: c03153c9e8c633f8c81751c1bf6b94b403aa6f3f6efbe678b2476be7989f8847

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0948d21dd993aea1722388b7674fe181ac824568dd81dc48487cd025a105a946",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-07-13T12:08:36Z",
    "title_canon_sha256": "55c811940390a995f1bfd9811682791761fb6883816cd3422525fe75fcff9775"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03690",
    "kind": "arxiv",
    "version": 1
  }
}