Pith Number

pith:3C2VGRKB

pith:2019:3C2VGRKBGI6FPL65GQOU4CLBFG

not attested not anchored not stored refs pending

Natural orbital functional for spin-polarized periodic systems

Alberto Vela, Ion Mitxelena, Mario Piris, Mauricio Rodr\'iguez-Mayorga, Raul Quintero-Monsebaiz

arxiv:1901.06942 v1 · 2019-01-21 · 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{3C2VGRKBGI6FPL65GQOU4CLBFG}

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	2026-05-17T23:50:21.779990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8b5534541323c57afdd341d4e0961299b65ade1b3e91bac80baec834909d3ea

Aliases

arxiv: 1901.06942 · arxiv_version: 1901.06942v1 · doi: 10.48550/arxiv.1901.06942 · pith_short_12: 3C2VGRKBGI6F · pith_short_16: 3C2VGRKBGI6FPL65 · pith_short_8: 3C2VGRKB

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/3C2VGRKBGI6FPL65GQOU4CLBFG \
  | 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: d8b5534541323c57afdd341d4e0961299b65ade1b3e91bac80baec834909d3ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c88556224f4b0472eb5fcfe718af4589e98cde0a0b7a7d5f2655921f047d394f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-01-21T14:35:19Z",
    "title_canon_sha256": "eb642dba869a8e6827d8fb462fd3d5229defa15229222c78d9f6ff708f0365aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06942",
    "kind": "arxiv",
    "version": 1
  }
}