Pith Number

pith:RSJ7KYO4

pith:2021:RSJ7KYO4SWKUEGYZ24IJ2PZGCN

not attested not anchored not stored refs pending

CW Operation of the European XFEL: SC-Gun Injector Optimization, S2E Calculations and SASE Performance

Dmitry Bazyl, Martin Dohlus, Torsten Limberg, Ye Chen

arxiv:2111.01756 v1 · 2021-11-02 · 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{RSJ7KYO4SWKUEGYZ24IJ2PZGCN}

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	2026-07-05T03:28:32.591914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c93f561dc9595421b19d7109d3f2613753d95ac51884e296148bde2828198c4

Aliases

arxiv: 2111.01756 · arxiv_version: 2111.01756v1 · doi: 10.48550/arxiv.2111.01756 · pith_short_12: RSJ7KYO4SWKU · pith_short_16: RSJ7KYO4SWKUEGYZ · pith_short_8: RSJ7KYO4

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/RSJ7KYO4SWKUEGYZ24IJ2PZGCN \
  | 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: 8c93f561dc9595421b19d7109d3f2613753d95ac51884e296148bde2828198c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de254b00816be3b1c21a4a06e3fc8917a00169b41cae5e401d1a5900577c258b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2021-11-02T17:29:39Z",
    "title_canon_sha256": "e1af6acc7cee4e469996aa37b39c95702822a34b646b47bd00c176d03193316f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01756",
    "kind": "arxiv",
    "version": 1
  }
}