pith. sign in
Pith Number

pith:EVJQMPC3

pith:2019:EVJQMPC3M4RGHGBY6EUVNOISRQ
not attested not anchored not stored refs pending

Complete polarization control for a nanofiber waveguide using directional coupling

Fuchuan Lei, Georgiy Tkachenko, Jonathan M. Ward, S\'ile Nic Chormaic

arxiv:1904.05513 v1 · 2019-04-11 · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EVJQMPC3M4RGHGBY6EUVNOISRQ}

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 2026-05-17T23:42:19.872464Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2553063c5b6722639838f12956b9128c317c3b6c9f242fd7a351b9ddadcc784b

Aliases

arxiv: 1904.05513 · arxiv_version: 1904.05513v1 · doi: 10.48550/arxiv.1904.05513 · pith_short_12: EVJQMPC3M4RG · pith_short_16: EVJQMPC3M4RGHGBY · pith_short_8: EVJQMPC3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EVJQMPC3M4RGHGBY6EUVNOISRQ \
  | 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: 2553063c5b6722639838f12956b9128c317c3b6c9f242fd7a351b9ddadcc784b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c6cbb2037a4fb6980ff2d7f7e38364fcbf523dac0735f3859d21c1d744898070",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-04-11T03:24:41Z",
    "title_canon_sha256": "246514ea7c4cd12a798fad8884763f475589c306de948e8ae458f4e776d2b338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05513",
    "kind": "arxiv",
    "version": 1
  }
}