Pith Number

pith:YGRIP4UQ

pith:2008:YGRIP4UQWKLDQUPBPPKVO7Y3TT

not attested not anchored not stored refs pending

A Quantum Fluid Description of the Free Electron Laser

A. Serbeto, G.R.M Robb, N. Piovella, R. Bonifacio

arxiv:0810.4025 v1 · 2008-10-22 · physics.plasm-ph · 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{YGRIP4UQWKLDQUPBPPKVO7Y3TT}

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	2026-05-18T02:15:23.681495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1a287f290b2963851e17bd5577f1b9cf7bc2ffd1dc413185b50407282e400ff

Aliases

arxiv: 0810.4025 · arxiv_version: 0810.4025v1 · doi: 10.48550/arxiv.0810.4025 · pith_short_12: YGRIP4UQWKLD · pith_short_16: YGRIP4UQWKLDQUPB · pith_short_8: YGRIP4UQ

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/YGRIP4UQWKLDQUPBPPKVO7Y3TT \
  | 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: c1a287f290b2963851e17bd5577f1b9cf7bc2ffd1dc413185b50407282e400ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc9d4536cc40e2ba03de7e975bcc3daacdc1526d22cf7074a7ca7fbd7932515b",
    "cross_cats_sorted": [
      "physics.acc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2008-10-22T09:56:27Z",
    "title_canon_sha256": "0159e456c7c98d2a63afe19aba9ab76f5032dd91dcd93ba8d39ef5a004860b94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4025",
    "kind": "arxiv",
    "version": 1
  }
}