Pith Number

pith:III2RFW5

pith:2010:III2RFW5OZ27G33TO7VJQTR4Z5

not attested not anchored not stored refs pending

Possible operation of the European XFEL with ultra-low emittance beams

E.A. Schneidmiller, M.V. Yurkov, R. Brinkmann

arxiv:1001.3801 v1 · 2010-01-21 · 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{III2RFW5OZ27G33TO7VJQTR4Z5}

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	2026-05-18T02:09:31.500728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4211a896dd7675f36f7377ea984e3ccf75ed862751d272bca61ebf0d90557c76

Aliases

arxiv: 1001.3801 · arxiv_version: 1001.3801v1 · doi: 10.48550/arxiv.1001.3801 · pith_short_12: III2RFW5OZ27 · pith_short_16: III2RFW5OZ27G33T · pith_short_8: III2RFW5

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/III2RFW5OZ27G33TO7VJQTR4Z5 \
  | 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: 4211a896dd7675f36f7377ea984e3ccf75ed862751d272bca61ebf0d90557c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "308673562a210a8c40656a311a03e1b8b6450e31bf1fccebb1ff35ab88569921",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2010-01-21T14:15:52Z",
    "title_canon_sha256": "3d43e281e31fbb70037fe9511654ccfd290105d9bca66c1ff32c5f73355ffac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3801",
    "kind": "arxiv",
    "version": 1
  }
}