Pith Number

pith:2TC4JVIU

pith:2012:2TC4JVIUKQRPUSW7B7VCWYOMQ2

not attested not anchored not stored refs pending

Oxygen reduction activity on perovskite oxide surfaces: a comparative first-principle study of LaMnO$_3$, LaFeO$_3$ and LaCrO$_3$

Hai-Ping Cheng, Yan Wang

arxiv:1210.1554 v1 · 2012-10-04 · physics.chem-ph · cond-mat.mtrl-sci · physics.comp-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{2TC4JVIUKQRPUSW7B7VCWYOMQ2}

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	2026-05-18T03:32:47.408708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4c5c4d5145422fa4adf0fea2b61cc869362fe7a3d7805c7cb69c4ae6681bb9a

Aliases

arxiv: 1210.1554 · arxiv_version: 1210.1554v1 · doi: 10.48550/arxiv.1210.1554 · pith_short_12: 2TC4JVIUKQRP · pith_short_16: 2TC4JVIUKQRPUSW7 · pith_short_8: 2TC4JVIU

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/2TC4JVIUKQRPUSW7B7VCWYOMQ2 \
  | 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: d4c5c4d5145422fa4adf0fea2b61cc869362fe7a3d7805c7cb69c4ae6681bb9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4530dfd90962375fd166dd0715cf0f776df399f775833a91ade539851237a975",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2012-10-04T19:30:20Z",
    "title_canon_sha256": "e7ecb87a6be66b046aa2f11a9a5fe77fa51005ac013df2f9e2aada3d845c172d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1554",
    "kind": "arxiv",
    "version": 1
  }
}