Pith Number

pith:YWBZLU3S

pith:2019:YWBZLU3SH5SVM5T6YJGYLM7D6J

not attested not anchored not stored refs pending

Direct retrieval method of the effective permittivity and permeability of bulk semi-infinite metamaterials by variable-angle spectroscopic ellipsometry

Alexander N. Grigorenko, Alexandre Baron, Daniel Torrent, Philippe Barois, Quentin Flamant, Sergio Gomez-Gra\~na, Vasyl G. Kravets, Virginie Ponsinet

arxiv:1905.05641 v1 · 2019-05-14 · 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{YWBZLU3SH5SVM5T6YJGYLM7D6J}

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	2026-05-17T23:46:13.964185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c58395d3723f6556767ec24d85b3e3f249f24054fd1bd0134651e3eb6d0d9fa2

Aliases

arxiv: 1905.05641 · arxiv_version: 1905.05641v1 · doi: 10.48550/arxiv.1905.05641 · pith_short_12: YWBZLU3SH5SV · pith_short_16: YWBZLU3SH5SVM5T6 · pith_short_8: YWBZLU3S

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/YWBZLU3SH5SVM5T6YJGYLM7D6J \
  | 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: c58395d3723f6556767ec24d85b3e3f249f24054fd1bd0134651e3eb6d0d9fa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eafe1255e0ca3d0b7951f874a01eb4ad9ef03ce00798588d074eee8262b7281",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-05-14T14:32:45Z",
    "title_canon_sha256": "149dc44c204f48897ecff71b2d98bce6f173f8f52a7d3c25a56ce11ee0abd453"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05641",
    "kind": "arxiv",
    "version": 1
  }
}