Pith Number

pith:PWA3YY4W

pith:2016:PWA3YY4WQTAFB2R77ZWK6U5IQ5

not attested not anchored not stored refs pending

A Simplified Model for Fast Optimization of Free-Electron Laser Oscillator

Haixiao Deng, Kai Li, Minghao Song

arxiv:1610.08639 v1 · 2016-10-27 · physics.acc-ph · physics.optics · physics.plasm-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{PWA3YY4WQTAFB2R77ZWK6U5IQ5}

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	2026-05-18T01:01:07.672629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d81bc639684c050ea3ffe6caf53a88747fcd1775eb5b5f066f477d471c989b3

Aliases

arxiv: 1610.08639 · arxiv_version: 1610.08639v1 · doi: 10.48550/arxiv.1610.08639 · pith_short_12: PWA3YY4WQTAF · pith_short_16: PWA3YY4WQTAFB2R7 · pith_short_8: PWA3YY4W

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/PWA3YY4WQTAFB2R77ZWK6U5IQ5 \
  | 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: 7d81bc639684c050ea3ffe6caf53a88747fcd1775eb5b5f066f477d471c989b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97ce243793e55a396084d33f6adbb6ba104e2b73816c4ebc0f958b6541cf8baa",
    "cross_cats_sorted": [
      "physics.optics",
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2016-10-27T07:04:54Z",
    "title_canon_sha256": "107c395a2c297cc80773ca218cef33e65ceade9d50f23100bfc2773a10473d51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08639",
    "kind": "arxiv",
    "version": 1
  }
}