Pith Number

pith:6BUPH7MT

pith:2020:6BUPH7MTAIYP2AWSNKNSN6HL5X

not attested not anchored not stored refs pending

Analysis of Ultra-Short Bunches in Free-Electron Lasers

Brian McNeil, Henry Freund, James Henderson, Lawrence Campbell, Peter van der Slot, Piotr Traczykowski

arxiv:2003.14256 v1 · 2020-03-30 · 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{6BUPH7MTAIYP2AWSNKNSN6HL5X}

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	2026-07-05T01:29:58.207881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f068f3fd930230fd02d26a9b26f8ebede6607241f4428e69cb90cb8df8ea8ced

Aliases

arxiv: 2003.14256 · arxiv_version: 2003.14256v1 · doi: 10.48550/arxiv.2003.14256 · pith_short_12: 6BUPH7MTAIYP · pith_short_16: 6BUPH7MTAIYP2AWS · pith_short_8: 6BUPH7MT

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/6BUPH7MTAIYP2AWSNKNSN6HL5X \
  | 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: f068f3fd930230fd02d26a9b26f8ebede6607241f4428e69cb90cb8df8ea8ced

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51a1d6c325d0e362d022b272aa8f1e8a4aab638b25822ab6e6750437a128eed7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2020-03-30T11:22:43Z",
    "title_canon_sha256": "a22984f089a50497749e9c280770b68ba73a660c8ce1ae7189a51d3029ca26b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.14256",
    "kind": "arxiv",
    "version": 1
  }
}