Pith Number

pith:L34FD74S

pith:2014:L34FD74SF74G2ATNOQWJSSLFY4

not attested not anchored not stored refs pending

Optimization of a high efficiency FEL amplifier

E.A. Schneidmiller, M.V. Yurkov

arxiv:1410.5957 v1 · 2014-10-22 · 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{L34FD74SF74G2ATNOQWJSSLFY4}

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	2026-05-18T01:41:41.150006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ef851ff922ff86d026d742c994965c704713cf96a6d1013220795320ad58a80

Aliases

arxiv: 1410.5957 · arxiv_version: 1410.5957v1 · doi: 10.48550/arxiv.1410.5957 · pith_short_12: L34FD74SF74G · pith_short_16: L34FD74SF74G2ATN · pith_short_8: L34FD74S

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/L34FD74SF74G2ATNOQWJSSLFY4 \
  | 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: 5ef851ff922ff86d026d742c994965c704713cf96a6d1013220795320ad58a80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7da5efec609c0295b185feac4bb661a845ae590e948f8669b80ce5e1281204a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2014-10-22T09:13:40Z",
    "title_canon_sha256": "5c2d159f0c806e0b4e73725e870217f2619833d447b99d7fecc6b3ed471c82f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5957",
    "kind": "arxiv",
    "version": 1
  }
}