Pith Number

pith:TG2IOUIH

pith:2019:TG2IOUIH56DAY62QEETC54TDT3

not attested not anchored not stored refs pending

High-energy optical transitions and optical constants of CH$_3$NH$_3$PbI$_3$ measured by spectroscopic ellipsometry and spectrophotometry

Christopher G. Bailey, Giacomo M. Piana, Pavlos G. Lagoudakis

arxiv:1909.03907 v1 · 2019-09-09 · physics.app-ph · cond-mat.mtrl-sci

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TG2IOUIH56DAY62QEETC54TDT3}

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	2026-07-05T06:12:29.353288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99b4875107ef860c7b5021262ef2639ed15b6f9e2efed730ff5db4dcbb4e71d2

Aliases

arxiv: 1909.03907 · arxiv_version: 1909.03907v1 · doi: 10.48550/arxiv.1909.03907 · pith_short_12: TG2IOUIH56DA · pith_short_16: TG2IOUIH56DAY62Q · pith_short_8: TG2IOUIH

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/TG2IOUIH56DAY62QEETC54TDT3 \
  | 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: 99b4875107ef860c7b5021262ef2639ed15b6f9e2efed730ff5db4dcbb4e71d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4c80c4201117ee8dee2b47c8fb2a1b589499be48474f504a77291c59eae8f21",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-09-09T15:01:33Z",
    "title_canon_sha256": "a91757f2fa7be91fffaa11e56519060c4a196815ce99d944a8c6f4221bb9bcb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03907",
    "kind": "arxiv",
    "version": 1
  }
}