Pith Number

pith:XFMNCHWA

pith:2002:XFMNCHWAJ3BRHPCIPNWSCMTOH2

not attested not anchored not stored refs pending

Free-Electron Lasers Without Inversion: Design of Two-Magnet Drift Region

2, (2) Texas A&M University, 3), (3) General Physics Institute, A. I. Artemyev (1, College Station, G. Kurizki (1), Israel, K. Kapale (2), Moscow, M. O. Scully (2) ((1) Weizmann Institute of Science, M. V. Fedorov (3), Rehovot, Russia), S. Trendafilov (2), USA, Yu. V. Rostovtsev (2)

arxiv:physics/0207032 v1 · 2002-07-08 · physics.optics · physics.acc-ph · physics.plasm-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{XFMNCHWAJ3BRHPCIPNWSCMTOH2}

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	2026-07-04T14:43:46.404504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b958d11ec04ec313bc487b6d21326e3ebadbe056002eec4af4686337751d2c3b

Aliases

arxiv: physics/0207032 · arxiv_version: physics/0207032v1 · doi: 10.48550/arxiv.physics/0207032 · pith_short_12: XFMNCHWAJ3BR · pith_short_16: XFMNCHWAJ3BRHPCI · pith_short_8: XFMNCHWA

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/XFMNCHWAJ3BRHPCIPNWSCMTOH2 \
  | 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: b958d11ec04ec313bc487b6d21326e3ebadbe056002eec4af4686337751d2c3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b72ac29b2837b6a3e68b9adfa054622dc3ffd1a61626a3b885653b44a72e32",
    "cross_cats_sorted": [
      "physics.acc-ph",
      "physics.plasm-ph"
    ],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2002-07-08T20:31:54Z",
    "title_canon_sha256": "847b0c146b1bfaaef7742aa81ba8c607ffb5eadf2b979b5046a044a9f2d34be4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0207032",
    "kind": "arxiv",
    "version": 1
  }
}