Pith Number

pith:NAM72O2D

pith:2012:NAM72O2DP7IKMQPRZ7OXDER5OQ

not attested not anchored not stored refs pending

Reduction of Copper Oxide by Formic Acid an ab-initio study

Martin Schmei{\ss}er

arxiv:1203.1163 v1 · 2012-03-06 · physics.chem-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{NAM72O2DP7IKMQPRZ7OXDER5OQ}

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	2026-05-18T04:00:40.182906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6819fd3b437fd0a641f1cfdd71923d740ac5e68218fbf9b3370391e2833a8ecd

Aliases

arxiv: 1203.1163 · arxiv_version: 1203.1163v1 · doi: 10.48550/arxiv.1203.1163 · pith_short_12: NAM72O2DP7IK · pith_short_16: NAM72O2DP7IKMQPR · pith_short_8: NAM72O2D

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/NAM72O2DP7IKMQPRZ7OXDER5OQ \
  | 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: 6819fd3b437fd0a641f1cfdd71923d740ac5e68218fbf9b3370391e2833a8ecd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48092f6a345991389f2ceebd8aa93e3f4f5c91956a5c30c5397322a28cd25cc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2012-03-06T11:11:45Z",
    "title_canon_sha256": "487d941f15b4e15694a00a82085555b5e32c48a6bed17fa7354c97427460e500"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1163",
    "kind": "arxiv",
    "version": 1
  }
}