Pith Number

pith:QW2YCPAC

pith:2011:QW2YCPAC2KNG7QHW654BWGPXRH

not attested not anchored not stored refs pending

Linear-scaling implementation of exact exchange using localized numerical orbitals and contraction reduction integrals

David R. Bowler, Lionel A. Truflandier, Tsuyoshi Miyazaki

arxiv:1112.5989 v2 · 2011-12-27 · 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{QW2YCPAC2KNG7QHW654BWGPXRH}

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	2026-05-18T00:56:53.837327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b5813c02d29a6fc0f6f7781b19f789fdcfc340c73ae0dfbe80ccb84a822055

Aliases

arxiv: 1112.5989 · arxiv_version: 1112.5989v2 · doi: 10.48550/arxiv.1112.5989 · pith_short_12: QW2YCPAC2KNG · pith_short_16: QW2YCPAC2KNG7QHW · pith_short_8: QW2YCPAC

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/QW2YCPAC2KNG7QHW654BWGPXRH \
  | 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: 85b5813c02d29a6fc0f6f7781b19f789fdcfc340c73ae0dfbe80ccb84a822055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d74af2bbe34d385112d72be9dadbc89a41e2517469483e7764fae8ff2ac0b60",
    "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": "2011-12-27T16:49:51Z",
    "title_canon_sha256": "cce52df548a2a7fed43ecb407aa8c8e5e1d565691ba56089d741c1b50d68276a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5989",
    "kind": "arxiv",
    "version": 2
  }
}