Pith Number

pith:QNRN42GP

pith:2012:QNRN42GPBSY2RH2IVEJVTXYIOH

not attested not anchored not stored refs pending

Harmonic lasing in X-ray FELs

E.A. Schneidmiller, M.V. Yurkov

arxiv:1205.2503 v1 · 2012-05-11 · 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{QNRN42GPBSY2RH2IVEJVTXYIOH}

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	2026-05-18T01:57:33.376901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8362de68cf0cb1a89f48a91359df0871e6d2eebfdb8a85616ada94b82d6ef0d5

Aliases

arxiv: 1205.2503 · arxiv_version: 1205.2503v1 · doi: 10.48550/arxiv.1205.2503 · pith_short_12: QNRN42GPBSY2 · pith_short_16: QNRN42GPBSY2RH2I · pith_short_8: QNRN42GP

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/QNRN42GPBSY2RH2IVEJVTXYIOH \
  | 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: 8362de68cf0cb1a89f48a91359df0871e6d2eebfdb8a85616ada94b82d6ef0d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b5a6c4a51c02d31f6eccb344bf5023e36c6f7932d17083c21d34f598e4af8c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2012-05-11T12:43:15Z",
    "title_canon_sha256": "6d312431f4abe67f09eec7d9b4d23d75634f32781d2e5c72e58507a8ab6bb16f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2503",
    "kind": "arxiv",
    "version": 1
  }
}