Pith Number

pith:2MW4CVMR

pith:2019:2MW4CVMRWOVBWUXI4NAIW4NFNJ

not attested not anchored not stored refs pending

Scientific Opportunities with an X-ray Free-Electron Laser Oscillator

Adriana Palffy, Aleksandr I. Chumakov, Alfred Q. R. Baron, Anders Madsen, Andreas Kaldun, Andrej Singer, Bernhard Adams, Christopher Corder, Christoph M. Heyl, David A. Reis, Diling Zhu, Gabriel Aeppli, Gerhard Gr\"ubel, Gil Porat, Giulio Monaco, Hans-Christian Wille, Jacek Krzywinski, Jerome B. Hastings, J\"org Evers, Josef Frisch, Jun Ye, Keith Nelson, Kenji Tamasaku, Kwang-Je Kim, Leo Holberg, Makina Yabashi, Mark Sutton, Matthias Fuchs, Oleg Shpyrko, Phillip Bucksbaum, Ralf R\"ohlsberger, Robert Schoenlein, Robin Santra, Ryan Lindberg, Serena DeBeer, Sharon Shwartz, Stephen P. Cramer, Sunil K. Sinha, Tetsuya Ishikawa, Thomas Allison, Timothy Maxwell, Tomasz Kolodziej, Tor Raubenheimer, Volker Sch\"unemann, Weilun Qin, Wen-Te Liao, Yuntao Ding, Yuri Shvyd'ko, Zheng Li, Zhirong Huang

arxiv:1903.09317 v2 · 2019-03-18 · physics.ins-det · physics.atom-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MW4CVMRWOVBWUXI4NAIW4NFNJ}

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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	2026-05-17T23:50:18.674794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d32dc15591b3aa1b52e8e3408b71a56a75d0562d13c5891a876647e4404fd84e

Aliases

arxiv: 1903.09317 · arxiv_version: 1903.09317v2 · doi: 10.48550/arxiv.1903.09317 · pith_short_12: 2MW4CVMRWOVB · pith_short_16: 2MW4CVMRWOVBWUXI · pith_short_8: 2MW4CVMR

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/2MW4CVMRWOVBWUXI4NAIW4NFNJ \
  | 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: d32dc15591b3aa1b52e8e3408b71a56a75d0562d13c5891a876647e4404fd84e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ca1d244d0caebd284f2c035ea9b2c5a2d293d03291597720a8317a06d86b964",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2019-03-18T20:31:38Z",
    "title_canon_sha256": "3f7b8982c393e4ebfaef05fd1b2f41f06a6b251911c1e34c039f7bd3a13df24b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09317",
    "kind": "arxiv",
    "version": 2
  }
}