Pith Number

pith:QRAI67RI

pith:2014:QRAI67RIXM5MVPBI3JRNPDPJT5

not attested not anchored not stored refs pending

Group Delay Control in Longitudinal Offset Coupled Resonator Optical Waveguides

F.J. Fraile-Pel\'aez, P. Chamorro-Posada

arxiv:1409.7927 v2 · 2014-09-28 · 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{QRAI67RIXM5MVPBI3JRNPDPJT5}

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	2026-05-18T01:41:54.612441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84408f7e28bb3acabc28da62d78de99f66bf7c228ebbed582a600d5cf3f63e60

Aliases

arxiv: 1409.7927 · arxiv_version: 1409.7927v2 · doi: 10.48550/arxiv.1409.7927 · pith_short_12: QRAI67RIXM5M · pith_short_16: QRAI67RIXM5MVPBI · pith_short_8: QRAI67RI

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/QRAI67RIXM5MVPBI3JRNPDPJT5 \
  | 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: 84408f7e28bb3acabc28da62d78de99f66bf7c228ebbed582a600d5cf3f63e60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89e53281f1d183a12ce2b8f426f6b9b18b4cf2ef368b8ed1a52e21f8a8194ce5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-09-28T16:09:21Z",
    "title_canon_sha256": "2a2527c406c7f956ef8e154eef7d4a9af5cb8ed64bf9d99dd9f6d7ac115fd93d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7927",
    "kind": "arxiv",
    "version": 2
  }
}