Pith Number

pith:NFGXNJA7

pith:2018:NFGXNJA7RHXJTMFLJLI3QKXWJR

not attested not anchored not stored refs pending

Very high brightness and power LCLS-II hard X-ray pulses

Aliaksei Halavanau, Claudio Emma, Claudio Pellegrini, Franz-Josef Decker, Jackson Sheppard

arxiv:1812.04661 v2 · 2018-12-11 · 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{NFGXNJA7RHXJTMFLJLI3QKXWJR}

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	2026-05-17T23:53:08.895058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

694d76a41f89ee99b0ab4ad1b82af64c75bd8716b490252f6ef5757568af9639

Aliases

arxiv: 1812.04661 · arxiv_version: 1812.04661v2 · doi: 10.48550/arxiv.1812.04661 · pith_short_12: NFGXNJA7RHXJ · pith_short_16: NFGXNJA7RHXJTMFL · pith_short_8: NFGXNJA7

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/NFGXNJA7RHXJTMFLJLI3QKXWJR \
  | 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: 694d76a41f89ee99b0ab4ad1b82af64c75bd8716b490252f6ef5757568af9639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b8a8fc9c6244e115f33967b9e765f85929c8a5660191f9018a9837401a5b918",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2018-12-11T19:33:39Z",
    "title_canon_sha256": "bdccff708777737f9530d152a13e84d734a64b6a7364bd20c691abfb407fdd81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04661",
    "kind": "arxiv",
    "version": 2
  }
}