Pith Number

pith:7TYY63XC

pith:2011:7TYY63XCIWO4JOOCVB7NZHDPDJ

not attested not anchored not stored refs pending

Relativistic X-Ray Free Electron Lasers in the Quantum Regime

Bengt Eliasson, Padma Kant Shukla

arxiv:1112.5558 v2 · 2011-12-23 · 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{7TYY63XCIWO4JOOCVB7NZHDPDJ}

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	2026-05-18T01:59:00.968887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcf18f6ee2459dc4b9c2a87edc9c6f1a5487db070f6dc1f17af9961fecc58159

Aliases

arxiv: 1112.5558 · arxiv_version: 1112.5558v2 · doi: 10.48550/arxiv.1112.5558 · pith_short_12: 7TYY63XCIWO4 · pith_short_16: 7TYY63XCIWO4JOOC · pith_short_8: 7TYY63XC

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/7TYY63XCIWO4JOOCVB7NZHDPDJ \
  | 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: fcf18f6ee2459dc4b9c2a87edc9c6f1a5487db070f6dc1f17af9961fecc58159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02404a95ce132015b6d6ae60b1ac1a035990d0990d496bbe4e622c44a5eb0715",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2011-12-23T11:23:39Z",
    "title_canon_sha256": "2c551a3107b44960780d3cf3ee1c14137c8cfe68883fd68f1035af3397dd5647"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5558",
    "kind": "arxiv",
    "version": 2
  }
}