Pith Number

pith:XJIGULGS

pith:2019:XJIGULGSUFSEUYMVHVHEYCXK6V

not attested not anchored not stored refs pending

Dopant-free molecular hole transport material that mediates a 20% power conversion efficiency in a perovskite solar cell

Brian Lam, Brian O. Patrick, Curtis P. Berlinguette, David J. Dvorak, Thomas Morrissey, Timothy L. Kelly, Yang Cao, Yunlong Li, Zhicheng Xia

arxiv:1908.04439 v1 · 2019-08-12 · physics.chem-ph · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJIGULGSUFSEUYMVHVHEYCXK6V}

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	2026-07-04T23:55:13.811815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba506a2cd2a1644a61953d4e4c0aeaf54288a3be7a090944852a75b63993d9e2

Aliases

arxiv: 1908.04439 · arxiv_version: 1908.04439v1 · doi: 10.48550/arxiv.1908.04439 · pith_short_12: XJIGULGSUFSE · pith_short_16: XJIGULGSUFSEUYMV · pith_short_8: XJIGULGS

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/XJIGULGSUFSEUYMVHVHEYCXK6V \
  | 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: ba506a2cd2a1644a61953d4e4c0aeaf54288a3be7a090944852a75b63993d9e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe4ffac5398cefb99ca0a63780d80956fe86cef67e5e91ca2c3b448ca8baa219",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-08-12T23:38:03Z",
    "title_canon_sha256": "3ab554306f5c48d506c1a30bdcb9de00ff7f68c78c750acd489df8304057eea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04439",
    "kind": "arxiv",
    "version": 1
  }
}