Pith Number

pith:H234KOTC

pith:2009:H234KOTC75J4UUV2A66OSDD42D

not attested not anchored not stored refs pending

Fourier Transform of the Stretched Exponential Function: Analytic Error Bounds, Double Exponential Transform, and Open-Source Implementation libkww

Joachim Wuttke

arxiv:0911.4796 v3 · 2009-11-25 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H234KOTC75J4UUV2A66OSDD42D}

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	2026-05-18T03:40:14.730990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eb7c53a62ff53ca52ba07bce90c7cd0f7f10232c599927f2616b861d89a5ff3

Aliases

arxiv: 0911.4796 · arxiv_version: 0911.4796v3 · doi: 10.48550/arxiv.0911.4796 · pith_short_12: H234KOTC75J4 · pith_short_16: H234KOTC75J4UUV2 · pith_short_8: H234KOTC

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/H234KOTC75J4UUV2A66OSDD42D \
  | 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: 3eb7c53a62ff53ca52ba07bce90c7cd0f7f10232c599927f2616b861d89a5ff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "189f9dd0aa9cfc49acf5389f9ab334c51bddd984cc69a88ebba6707ade30190a",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-11-25T10:16:01Z",
    "title_canon_sha256": "005db442fb23a316d2f1a62491213e02f37184961036727f6f36a9b3f1ab6fdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4796",
    "kind": "arxiv",
    "version": 3
  }
}