Pith Number

pith:RU27SDYF

pith:2013:RU27SDYFFTDCM3T2JBKW46EIT4

not attested not anchored not stored refs pending

Narrow linewidth Brillouin laser based on chalcogenide photonic chip

Barry Luther-Davies, Benjamin J. Eggleton, Duk-Yong Choi, Irina V. Kabakova, Ravi Pant, Stephen J. Madden, Sukhanta Debbarma

arxiv:1307.6909 v1 · 2013-07-26 · 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{RU27SDYFFTDCM3T2JBKW46EIT4}

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	2026-05-18T01:48:34.382783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d35f90f052cc6266e7a48556e78889f1af40638c6bab0940d653830e512a270

Aliases

arxiv: 1307.6909 · arxiv_version: 1307.6909v1 · doi: 10.48550/arxiv.1307.6909 · pith_short_12: RU27SDYFFTDC · pith_short_16: RU27SDYFFTDCM3T2 · pith_short_8: RU27SDYF

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/RU27SDYFFTDCM3T2JBKW46EIT4 \
  | 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: 8d35f90f052cc6266e7a48556e78889f1af40638c6bab0940d653830e512a270

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77ee78fbdba242782ca3d154bffba89365317b5758d842eac648eecb22d84cb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-07-26T02:05:14Z",
    "title_canon_sha256": "ddfc9d137bc2b2153beb7d5692d89a238474524ac3b493489694648f0b04f22c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6909",
    "kind": "arxiv",
    "version": 1
  }
}