Pith Number

pith:S5BYLAJD

pith:2023:S5BYLAJDJLMQRSJOL43YE7SKBA

not attested not anchored not stored refs pending

High-fidelity and polarization insensitive universal photonic processors fabricated by femtosecond laser writing

Andrea Crespi, Ciro Pentangelo, Francesco Ceccarelli, Niki Di Giano, Riccardo Arpe, Roberto Osellame, Simone Piacentini

arxiv:2310.19718 v1 · 2023-10-30 · 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{S5BYLAJDJLMQRSJOL43YE7SKBA}

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	2026-07-05T07:57:28.468676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97438581234ad908c92e5f37827e4a081dbfa437c23c72524dbfd3804b37939b

Aliases

arxiv: 2310.19718 · arxiv_version: 2310.19718v1 · doi: 10.48550/arxiv.2310.19718 · pith_short_12: S5BYLAJDJLMQ · pith_short_16: S5BYLAJDJLMQRSJO · pith_short_8: S5BYLAJD

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/S5BYLAJDJLMQRSJOL43YE7SKBA \
  | 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: 97438581234ad908c92e5f37827e4a081dbfa437c23c72524dbfd3804b37939b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74fda6bc4c9011ce4d77f621c71059528af618cd7670db2eea8cce3eefe932df",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2023-10-30T16:46:25Z",
    "title_canon_sha256": "4f3a19cdd90e9311920712a5202ea3f05cc6472a3a19c633ba35edfc5acd685e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.19718",
    "kind": "arxiv",
    "version": 1
  }
}