Pith Number

pith:HDM4UG7W

pith:2020:HDM4UG7W4MLDZ7BGWKCKAYIA4F

not attested not anchored not stored refs pending

Towards unification of perovskite stability and photovoltaic performance assessment

Alison B. Walker, Arnaud Walter, Bernard Wenger, Christine Boeffel, Edgar R. Nandayapa, George E. Georghiou, Henry J. Snaith, Isabel H. S\"orensen, Iv\'an Mora-Ser\'o, Johannes Ripperger, Maria Hadjipanayi, Matthias Br\"auninger, Miguel Anaya, Samrana Kazim, Samuel D. Stranks, Shahzada Ahmad, Silvia Colodrero, Sylvain Nicolay, Terry Chien-Jen Yang, Thorsten Rissom, Tom Aernouts, Vasiliki Paraskeva

arxiv:2004.11590 v2 · 2020-04-24 · physics.app-ph · cond-mat.mtrl-sci

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDM4UG7W4MLDZ7BGWKCKAYIA4F}

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	2026-07-05T00:58:10.512267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38d9ca1bf6e3163cfc26b284a06100e15f5767d2ac85e7a1b49d443cfd8b8c2c

Aliases

arxiv: 2004.11590 · arxiv_version: 2004.11590v2 · doi: 10.48550/arxiv.2004.11590 · pith_short_12: HDM4UG7W4MLD · pith_short_16: HDM4UG7W4MLDZ7BG · pith_short_8: HDM4UG7W

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/HDM4UG7W4MLDZ7BGWKCKAYIA4F \
  | 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: 38d9ca1bf6e3163cfc26b284a06100e15f5767d2ac85e7a1b49d443cfd8b8c2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a7ae5713b0d13a59141b456096cd13c1eeb56b58264fffaab0ee9f65a84bb24",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-04-24T08:06:26Z",
    "title_canon_sha256": "4b445361012720e7f8d90d8384dd4866735e1d1714a3c1f570431bf20a873508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11590",
    "kind": "arxiv",
    "version": 2
  }
}