Pith Number

pith:UFVFBOBB

pith:2002:UFVFBOBBGL3UPXKNUR3VGFHGNX

not attested not anchored not stored refs pending

Fourier Synthesization of Optical Pulses and "Polar'' Light

E.B.Alexandrov, V.S.Zapasskii

arxiv:physics/0204041 v1 · 2002-04-16 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFVFBOBBGL3UPXKNUR3VGFHGNX}

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	2026-05-18T01:38:09.309321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a16a50b82132f747dd4da4775314e66df060b2b819f39ae2670ce754d0761afc

Aliases

arxiv: physics/0204041 · arxiv_version: physics/0204041v1 · doi: 10.48550/arxiv.physics/0204041 · pith_short_12: UFVFBOBBGL3U · pith_short_16: UFVFBOBBGL3UPXKN · pith_short_8: UFVFBOBB

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/UFVFBOBBGL3UPXKNUR3VGFHGNX \
  | 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: a16a50b82132f747dd4da4775314e66df060b2b819f39ae2670ce754d0761afc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e85cae93947b4bda6e153aaf96cd2ea6987d90d4a527008426b05e4d91684af",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2002-04-16T12:04:30Z",
    "title_canon_sha256": "cca613ee051669ea428f2545a82c9002e0c3f4ced1d4220aec64e27753615647"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0204041",
    "kind": "arxiv",
    "version": 1
  }
}