Pith Number

pith:FULPEZOA

pith:2018:FULPEZOAGCBKE4JMZIL7INUUGP

not attested not anchored not stored refs pending

A Holographic Diffuser Generalised Optical Differentiation Wavefront Sensor

Daniele Vassallo, Davide Greggio, Demetrio Magrin, Elena Carolo, Elisa Portaluri, Federico Biondi, Gabriele Umbriaco, Jacopo Farinato, Luca Marafatto, Marco Dima, Marco Gullieuszik, Maria Bergomi, Roberto Ragazzoni, Simonetta Chinellato, Valentina Viotto

arxiv:1808.02261 v1 · 2018-08-07 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FULPEZOAGCBKE4JMZIL7INUUGP}

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	2026-05-18T00:08:47.068945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d16f265c03082a2712cca17f4369433d1a574f08829e80c12475031200ebed7

Aliases

arxiv: 1808.02261 · arxiv_version: 1808.02261v1 · doi: 10.48550/arxiv.1808.02261 · pith_short_12: FULPEZOAGCBK · pith_short_16: FULPEZOAGCBKE4JM · pith_short_8: FULPEZOA

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/FULPEZOAGCBKE4JMZIL7INUUGP \
  | 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: 2d16f265c03082a2712cca17f4369433d1a574f08829e80c12475031200ebed7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f1423354f5e0a8ac750d02aaa152854607a0165b49e831edff1da3ff9f8c86a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-07T08:56:20Z",
    "title_canon_sha256": "6bba61528ae74a748806794bf9f0f85c05810bcadbe8d5183c52fc56d1f1176d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02261",
    "kind": "arxiv",
    "version": 1
  }
}