Pith Number

pith:GT44SB2H

pith:2011:GT44SB2HWI6OI7EEXEVWNZI4TI

not attested not anchored not stored refs pending

Restriction of Fourier transforms to some complex curves

Jong-Guk Bak, Seheon Ham

arxiv:1111.6409 v2 · 2011-11-28 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GT44SB2HWI6OI7EEXEVWNZI4TI}

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	2026-05-18T03:29:37.763550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34f9c90747b23ce47c84b92b66e51c9a04991fb0f20df1d054093cb61b862c42

Aliases

arxiv: 1111.6409 · arxiv_version: 1111.6409v2 · doi: 10.48550/arxiv.1111.6409 · pith_short_12: GT44SB2HWI6O · pith_short_16: GT44SB2HWI6OI7EE · pith_short_8: GT44SB2H

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/GT44SB2HWI6OI7EEXEVWNZI4TI \
  | 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: 34f9c90747b23ce47c84b92b66e51c9a04991fb0f20df1d054093cb61b862c42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1065baef0c7b5fd1616c47b351fd58053656806aa45e675c91ba960e6df0f0ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-11-28T11:19:26Z",
    "title_canon_sha256": "aaf745f874740ab7a887b49f5630fd475311b6f18dabe0a3a6cea1c905f8dc0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6409",
    "kind": "arxiv",
    "version": 2
  }
}