Pith Number

pith:RQADUNBT

pith:2019:RQADUNBTSH4WBJEVVHBNX4D7Z6

not attested not anchored not stored refs pending

Optical Harmonic Vernier Effect: A New Tool for High Performance Interferometric Fibre Sensors

Andr\'e D. Gomes, Hartmut Bartelt, Jens Kobelke, J\"org Bierlich, Manfred Rothhardt, Marta S. Ferreira, Orlando Fraz\~ao

arxiv:1909.02770 v3 · 2019-09-06 · physics.optics · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQADUNBTSH4WBJEVVHBNX4D7Z6}

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	2026-07-05T00:25:15.292687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c003a343391f960a495a9c2dbf07fcf8207d922a4a58997db9fe2eced818464

Aliases

arxiv: 1909.02770 · arxiv_version: 1909.02770v3 · doi: 10.48550/arxiv.1909.02770 · pith_short_12: RQADUNBTSH4W · pith_short_16: RQADUNBTSH4WBJEV · pith_short_8: RQADUNBT

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/RQADUNBTSH4WBJEVVHBNX4D7Z6 \
  | 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: 8c003a343391f960a495a9c2dbf07fcf8207d922a4a58997db9fe2eced818464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4a1d19e204bf5f46596f95a8d6498efdc26a7331c6b94b7e090fd4e43141fd8",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-09-06T08:49:06Z",
    "title_canon_sha256": "9e60bab32f48b97360e35ef459a51213d4ce6b3b9e89f7f78ef1d56d5d26a4a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02770",
    "kind": "arxiv",
    "version": 3
  }
}