Pith Number

pith:7VTJF2GO

pith:2002:7VTJF2GO3BG2VVX5Y5GCPQ6Q2C

not attested not anchored not stored refs pending

1/f noise: a pedagogical review

Edoardo Milotti

arxiv:physics/0204033 v1 · 2002-04-12 · physics.class-ph · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VTJF2GO3BG2VVX5Y5GCPQ6Q2C}

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.

Cited by

2 papers in Pith

Flicker-DDPM: Accelerating Denoising Diffusion via 1/f Colored Noise Injection

Connecting the long-term variability behaviour of active galactic nuclei to their central engines

Receipt and verification

First computed	2026-07-04T14:43:36.870940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd6692e8ced84daad6fdc74c27c3d0d090315a915710af2f3b7dafdcc6201e5e

Aliases

arxiv: physics/0204033 · arxiv_version: physics/0204033v1 · doi: 10.48550/arxiv.physics/0204033 · pith_short_12: 7VTJF2GO3BG2 · pith_short_16: 7VTJF2GO3BG2VVX5 · pith_short_8: 7VTJF2GO

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/7VTJF2GO3BG2VVX5Y5GCPQ6Q2C \
  | 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: fd6692e8ced84daad6fdc74c27c3d0d090315a915710af2f3b7dafdcc6201e5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f51d14fa98555dec638f0641314d85fc58c8bae8e0ef59897ef195d730308cb5",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2002-04-12T12:57:58Z",
    "title_canon_sha256": "cea27edce77e7279641254ec0e852623a1907b701f08c98237bef8f35dbbddb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0204033",
    "kind": "arxiv",
    "version": 1
  }
}