Pith Number

pith:FS6KW7ZL

pith:2012:FS6KW7ZLN235CI5P3F5SUHPP5Z

not attested not anchored not stored refs pending

Design of Optically Path Length Matched, Three-Dimensional Photonic Circuits Comprising Uniquely Routed Waveguides

Barnaby Norris, John O'Byrne, Jon S. Lawrence, Michael J. Withford, Ned Charles, Nemanja Jovanovic, Paul Stewart, Peter G. Tuthill, Simon Gross

arxiv:1209.5144 v1 · 2012-09-24 · astro-ph.IM · 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{FS6KW7ZLN235CI5P3F5SUHPP5Z}

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	2026-05-18T01:54:19.699636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cbcab7f2b6eb7d123afd97b2a1defee4e76e947f02c715f50e304e953497e4b

Aliases

arxiv: 1209.5144 · arxiv_version: 1209.5144v1 · doi: 10.48550/arxiv.1209.5144 · pith_short_12: FS6KW7ZLN235 · pith_short_16: FS6KW7ZLN235CI5P · pith_short_8: FS6KW7ZL

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/FS6KW7ZLN235CI5P3F5SUHPP5Z \
  | 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: 2cbcab7f2b6eb7d123afd97b2a1defee4e76e947f02c715f50e304e953497e4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6119cfd31ffdace8683acfe1806c4db96e95efe69c2ae8b292257ce0b1199b4b",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-09-24T03:41:17Z",
    "title_canon_sha256": "416456c1c4d9aac50bfc9d682039ca2a800ac9ca0bfd510e3149b0b16f326e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5144",
    "kind": "arxiv",
    "version": 1
  }
}