Pith Number

pith:42GD3QX3

pith:2012:42GD3QX3ATEQ43EQE6PZT5UIQY

not attested not anchored not stored refs pending

Convergence of many-body wavefunction expansions using a plane wave basis: from the homogeneous electron gas to the solid state

Ali Alavi, Andreas Gr\"uneis, George H. Booth, Georg Kresse, James J. Shepherd

arxiv:1202.4990 v2 · 2012-02-22 · physics.comp-ph · cond-mat.mtrl-sci · physics.chem-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42GD3QX3ATEQ43EQE6PZT5UIQY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:46:03.411130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e68c3dc2fb04c90e6c90279f99f688860ef3f677790e62bd0dac8ec579f18585

Aliases

arxiv: 1202.4990 · arxiv_version: 1202.4990v2 · doi: 10.48550/arxiv.1202.4990 · pith_short_12: 42GD3QX3ATEQ · pith_short_16: 42GD3QX3ATEQ43EQ · pith_short_8: 42GD3QX3

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/42GD3QX3ATEQ43EQE6PZT5UIQY \
  | 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: e68c3dc2fb04c90e6c90279f99f688860ef3f677790e62bd0dac8ec579f18585

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52a21475937ac3439c716f03be7cd8d83e4e84c0dc6dabb28411c1ab4505fc80",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2012-02-22T17:54:18Z",
    "title_canon_sha256": "0f9c4902e7db8b84eaf71187f68460a9b16d17cc14c3f0a7a4b1cab30e4f1ae7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4990",
    "kind": "arxiv",
    "version": 2
  }
}