Pith Number

pith:EUQI3ACY

pith:2012:EUQI3ACYJE3TC5FHXWW3ZXDCAD

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 I: characterisation of the catalytic activity and surface structure

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

arxiv:1208.2574 v1 · 2012-08-13 · physics.chem-ph · cond-mat.mtrl-sci · 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{EUQI3ACYJE3TC5FHXWW3ZXDCAD}

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	2026-05-18T03:48:57.519072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25208d805849373174a7bdadbcdc6200e279260867781524b1ce1471ec28d75c

Aliases

arxiv: 1208.2574 · arxiv_version: 1208.2574v1 · doi: 10.48550/arxiv.1208.2574 · pith_short_12: EUQI3ACYJE3T · pith_short_16: EUQI3ACYJE3TC5FH · pith_short_8: EUQI3ACY

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/EUQI3ACYJE3TC5FHXWW3ZXDCAD \
  | 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: 25208d805849373174a7bdadbcdc6200e279260867781524b1ce1471ec28d75c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade3641c20fdf88d7bd53e1c67e566d385a31403ef70725ed26f2465e229639c",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2012-08-13T13:06:03Z",
    "title_canon_sha256": "850b459a7685fa11d9f9f4aea68c950ccfc511098c04f5a63f2862549c9a534f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2574",
    "kind": "arxiv",
    "version": 1
  }
}