Pith Number

pith:DCM6RF27

pith:2014:DCM6RF27U4Q2OLPWRGVLYTNW6I

not attested not anchored not stored refs pending

On the NP-completeness of the Hartree-Fock method for translationally invariant systems

James D. Whitfield, Zolt\'an Zimbor\'as

arxiv:1408.3459 v2 · 2014-08-15 · quant-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{DCM6RF27U4Q2OLPWRGVLYTNW6I}

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	2026-05-18T01:42:18.757146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1899e8975fa721a72df689aabc4db6f22e36452ce7fd60a01c3f57a89fe51133

Aliases

arxiv: 1408.3459 · arxiv_version: 1408.3459v2 · doi: 10.48550/arxiv.1408.3459 · pith_short_12: DCM6RF27U4Q2 · pith_short_16: DCM6RF27U4Q2OLPW · pith_short_8: DCM6RF27

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/DCM6RF27U4Q2OLPWRGVLYTNW6I \
  | 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: 1899e8975fa721a72df689aabc4db6f22e36452ce7fd60a01c3f57a89fe51133

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "670709947deccdda3b71fd2d27660b1d8419e85591233e3df7e920f27f023349",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-08-15T03:23:16Z",
    "title_canon_sha256": "cd335afee7a50555991a80692608e8d5b6d3c0e18238c372e6bf4682d1ca6fa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3459",
    "kind": "arxiv",
    "version": 2
  }
}