Pith Number

pith:T2XA5BPS

pith:2018:T2XA5BPSKIQJWAZ7BL2CTV37WS

not attested not anchored not stored refs pending

Realizing Quantum free-electron lasers: A critical analysis of experimental challenges and theoretical limits

Alexander Debus, Klaus Steiniger, Moritz Carmesin, Peter Kling, Roland Sauerbrey

arxiv:1808.05829 v1 · 2018-08-17 · physics.acc-ph · physics.plasm-ph · quant-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{T2XA5BPSKIQJWAZ7BL2CTV37WS}

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	2026-05-17T23:45:37.145339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eae0e85f252209b033f0af429d77fb490bc808c0386dbb3c561d409d1854b39

Aliases

arxiv: 1808.05829 · arxiv_version: 1808.05829v1 · doi: 10.48550/arxiv.1808.05829 · pith_short_12: T2XA5BPSKIQJ · pith_short_16: T2XA5BPSKIQJWAZ7 · pith_short_8: T2XA5BPS

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/T2XA5BPSKIQJWAZ7BL2CTV37WS \
  | 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: 9eae0e85f252209b033f0af429d77fb490bc808c0386dbb3c561d409d1854b39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0efa79e07dafa27d294f7df5cca40c9c598e65259b8df6dc91e88bbae724a1f",
    "cross_cats_sorted": [
      "physics.plasm-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2018-08-17T11:10:36Z",
    "title_canon_sha256": "516bbcc62882582f44ce0d4b1cd9a4ead1c78fa2665a1411389611d7dd414340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05829",
    "kind": "arxiv",
    "version": 1
  }
}