Pith Number

pith:Y63LO2AH

pith:2013:Y63LO2AHAJLVYHFYXH2CYQWBWE

not attested not anchored not stored refs pending

High brightness and fully coherent x-ray pulses from XFELO seeded high-gain FEL schemes

Chao Feng, Haixiao Deng

arxiv:1305.0593 v2 · 2013-05-02 · physics.acc-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{Y63LO2AHAJLVYHFYXH2CYQWBWE}

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	2026-05-18T03:26:31.633433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7b6b7680702575c1cb8b9f42c42c1b13f0f9cb8592764e83dc8e5e2a33cc527

Aliases

arxiv: 1305.0593 · arxiv_version: 1305.0593v2 · doi: 10.48550/arxiv.1305.0593 · pith_short_12: Y63LO2AHAJLV · pith_short_16: Y63LO2AHAJLVYHFY · pith_short_8: Y63LO2AH

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/Y63LO2AHAJLVYHFYXH2CYQWBWE \
  | 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: c7b6b7680702575c1cb8b9f42c42c1b13f0f9cb8592764e83dc8e5e2a33cc527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f833698d8374fd14048d261e77516a9af431c9f59ac873d7370d8aef4796d49",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2013-05-02T23:14:37Z",
    "title_canon_sha256": "88fcc7e9dc7c0bf29ae5c82bd3faa85abf537f6e7d33da92be167883cbb9e731"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0593",
    "kind": "arxiv",
    "version": 2
  }
}