Pith Number

pith:J77JM2VA

pith:2012:J77JM2VAYTPMW3PTI7NXJRGAOS

not attested not anchored not stored refs pending

Using a dual plasma process to produce cobalt--polypyrrole catalysts for the oxygen reduction reaction in fuel cells -- part II: analysing the chemical structure of the films

Antje Quade, Christian Walter, Denis Vyalikh, Klaus-Dieter Weltmann, Kurt Kummer, Volker Br\"user

arxiv:1209.4210 v1 · 2012-09-19 · cond-mat.mtrl-sci · physics.chem-ph · physics.plasm-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{J77JM2VAYTPMW3PTI7NXJRGAOS}

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	2026-05-18T03:45:13.153453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ffe966aa0c4decb6df347db74c4c074927e08208af42a758d59e44b22f549e1

Aliases

arxiv: 1209.4210 · arxiv_version: 1209.4210v1 · doi: 10.48550/arxiv.1209.4210 · pith_short_12: J77JM2VAYTPM · pith_short_16: J77JM2VAYTPMW3PT · pith_short_8: J77JM2VA

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/J77JM2VAYTPMW3PTI7NXJRGAOS \
  | 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: 4ffe966aa0c4decb6df347db74c4c074927e08208af42a758d59e44b22f549e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d00449e5d8ac01287c42508a6e48a27a4844fd0ef444d849965f039c9ee39cc5",
    "cross_cats_sorted": [
      "physics.chem-ph",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-09-19T11:23:04Z",
    "title_canon_sha256": "bbef7089bfb89f5c930c41f42fac63510b752226b21daafb9e9b7199aa17de3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4210",
    "kind": "arxiv",
    "version": 1
  }
}