Pith Number

pith:7LOYWBR4

pith:2012:7LOYWBR4N2WZSJ2LKQYYBX44T4

not attested not anchored not stored refs pending

Direct minimization of electronic structure calculations with Householder reflections

K. Baarman, T. Eirola, V. Havu

arxiv:1204.1204 v2 · 2012-04-05 · physics.comp-ph · 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{7LOYWBR4N2WZSJ2LKQYYBX44T4}

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	2026-05-18T03:51:25.297584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fadd8b063c6ead99274b543180df9c9f365fce0c6bbbc9cefbc06751de3c7509

Aliases

arxiv: 1204.1204 · arxiv_version: 1204.1204v2 · doi: 10.48550/arxiv.1204.1204 · pith_short_12: 7LOYWBR4N2WZ · pith_short_16: 7LOYWBR4N2WZSJ2L · pith_short_8: 7LOYWBR4

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/7LOYWBR4N2WZSJ2LKQYYBX44T4 \
  | 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: fadd8b063c6ead99274b543180df9c9f365fce0c6bbbc9cefbc06751de3c7509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3dad886d4bf3af7d9c9011dcadf1e933db86ec1c78a22cfd05bd1a7f0ff53a0",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2012-04-05T12:40:23Z",
    "title_canon_sha256": "023fc3085670d88df99e7a40b45694ee6d3215cb2d121b7d7566a10a2fdcc5d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1204",
    "kind": "arxiv",
    "version": 2
  }
}