Pith Number

pith:7XFEUVGL

pith:2011:7XFEUVGLN74EXYQJRYVIYIVNY6

not attested not anchored not stored refs pending

Angular Distribution of Nonlinear Harmonic Generation in Helical Undulators: a comparison between experiments and theory

C. Spezzani, E. Allaria, G. De Ninno, G. Geloni

arxiv:1105.1725 v1 · 2011-05-09 · 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{7XFEUVGLN74EXYQJRYVIYIVNY6}

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	2026-05-18T02:02:02.430198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdca4a54cb6ff84be2098e2a8c22adc7b2b7e1aceb5ac5e3429f547b407977b0

Aliases

arxiv: 1105.1725 · arxiv_version: 1105.1725v1 · doi: 10.48550/arxiv.1105.1725 · pith_short_12: 7XFEUVGLN74E · pith_short_16: 7XFEUVGLN74EXYQJ · pith_short_8: 7XFEUVGL

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/7XFEUVGLN74EXYQJRYVIYIVNY6 \
  | 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: fdca4a54cb6ff84be2098e2a8c22adc7b2b7e1aceb5ac5e3429f547b407977b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d99177aa246344917c84accc7b03015c984c481b5f1337c2a9d6485d44d41369",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-05-09T16:49:54Z",
    "title_canon_sha256": "3baccac962c5642084cc8bf2e8bd46747ea12da3af390ada4fee69c341830c21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1725",
    "kind": "arxiv",
    "version": 1
  }
}