Pith Number

pith:YU2VLCHY

pith:2006:YU2VLCHYSCZICU7M2XWQURNVI2

not attested not anchored not stored refs pending

Design considerations for table-top, laser-based VUV and X-ray free electron lasers

B. van der Geer, D. Habs, F. Gr\"uner, H. Backe, J. Meyer-ter-Vehn, L. Serafini, M. Ferrario, M. Fuchs, M. Geissler, R. Weingartner, S. Becker, S. Reiche, T. Eichner, U. Schramm, W. Lauth

arxiv:physics/0612125 v1 · 2006-12-13 · physics.acc-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{YU2VLCHYSCZICU7M2XWQURNVI2}

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	2026-05-18T01:08:46.121378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5355588f890b28153ecd5ed0a45b546b71d968ccd56ec5d3d229b7143b574d7

Aliases

arxiv: physics/0612125 · arxiv_version: physics/0612125v1 · doi: 10.48550/arxiv.physics/0612125 · pith_short_12: YU2VLCHYSCZI · pith_short_16: YU2VLCHYSCZICU7M · pith_short_8: YU2VLCHY

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/YU2VLCHYSCZICU7M2XWQURNVI2 \
  | 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: c5355588f890b28153ecd5ed0a45b546b71d968ccd56ec5d3d229b7143b574d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebb98b858f3bf2eab793b2f9af534e3ac2fe5205336198e8c12ad1b3c5af4dca",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2006-12-13T16:25:25Z",
    "title_canon_sha256": "c5115fd4d63fc0e2ab4f31a4850c1520608e7b80c9493f9b35f8f87ffbf855f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0612125",
    "kind": "arxiv",
    "version": 1
  }
}