pith. sign in
Pith Number

pith:I4J63472

pith:2005:I4J63472QONEI7NBCKYLD73VWH
not attested not anchored not stored refs pending

Exact Solution for the Second Harmonic Generation in XFELs

Evgeni Saldin, Evgeni Schneidmiller, Gianluca Geloni, Mikhail Yurkov

arxiv:physics/0508046 v1 · 2005-08-08 · physics.acc-ph · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{I4J63472QONEI7NBCKYLD73VWH}

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 2026-05-18T01:05:08.401758Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4713edf3fa839a447da112b0b1ff75b1d15b2f27dfd5c89f3d957c38c91a9ca2

Aliases

arxiv: physics/0508046 · arxiv_version: physics/0508046v1 · doi: 10.48550/arxiv.physics/0508046 · pith_short_12: I4J63472QONE · pith_short_16: I4J63472QONEI7NB · pith_short_8: I4J63472
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/I4J63472QONEI7NBCKYLD73VWH \
  | 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: 4713edf3fa839a447da112b0b1ff75b1d15b2f27dfd5c89f3d957c38c91a9ca2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5bc404af9f300436e080e0f49cd1bd03a5200217160b0e3f6a761e672e3221d3",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2005-08-08T08:12:01Z",
    "title_canon_sha256": "208997039126acdc8e02c68cc05f211249bb1370f700f32c4d1709a702ee2988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0508046",
    "kind": "arxiv",
    "version": 1
  }
}