Pith Number

pith:FRMW4KFS

pith:2021:FRMW4KFSXQT57V2YWLJS5KQ2CP

not attested not anchored not stored refs pending

Local Nanoscale Defective Phase Impurities Are the Sites of Degradation in Halide Perovskite Devices

Affan N. Iqbal, Andrew J. Winchester, Bart Roose, Duncan N. Johnstone, Keshav M. Dani, Krzystof Galkowski, Kyle Frohna, Miguel Anaya, Paul A. Midgley, Samuel D. Stranks, Sofiia Kosar, Stuart Macpherson, Tiarnan A. S. Doherty, Yu-Hsien Chiang, Zahra Andaji-Garmaroudi

arxiv:2107.09549 v1 · 2021-07-20 · cond-mat.mtrl-sci · physics.app-ph · 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{FRMW4KFSXQT57V2YWLJS5KQ2CP}

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	2026-07-05T02:59:32.318284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c596e28b2bc27dfd758b2d32eaa1a13fe5567b784b65fa8fe3d09e99d30670e

Aliases

arxiv: 2107.09549 · arxiv_version: 2107.09549v1 · doi: 10.48550/arxiv.2107.09549 · pith_short_12: FRMW4KFSXQT5 · pith_short_16: FRMW4KFSXQT57V2Y · pith_short_8: FRMW4KFS

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/FRMW4KFSXQT57V2YWLJS5KQ2CP \
  | 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: 2c596e28b2bc27dfd758b2d32eaa1a13fe5567b784b65fa8fe3d09e99d30670e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "390749ec6275d9f72df05ea779532fb98222456f62577d82fc2fe12a15ca498e",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-07-20T15:09:01Z",
    "title_canon_sha256": "dbbcb8d785564cad2161b887c988197e6526ddc83bb30528e75954774ae8cdff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09549",
    "kind": "arxiv",
    "version": 1
  }
}