Pith Number

pith:4OMEELKJ

pith:2011:4OMEELKJ4ITJUY5VXWAL6X5YU4

not attested not anchored not stored refs pending

Quantum Monte Carlo facing the Hartree-Fock symmetry dilemma: The case of hydrogen rings

C. J. Umrigar (LASSP), Julien Toulouse (LCT), Peter Reinhardt (LCT), Philip E. Hoggan (LASMEA), Roland Assaraf (LCT)

arxiv:1107.3537 v1 · 2011-07-18 · physics.chem-ph · 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{4OMEELKJ4ITJUY5VXWAL6X5YU4}

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	2026-05-18T04:18:02.914899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e398422d49e2269a63b5bd80bf5fb8a7273fc27ccec6ec802128c73f325fb7b4

Aliases

arxiv: 1107.3537 · arxiv_version: 1107.3537v1 · doi: 10.48550/arxiv.1107.3537 · pith_short_12: 4OMEELKJ4ITJ · pith_short_16: 4OMEELKJ4ITJUY5V · pith_short_8: 4OMEELKJ

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/4OMEELKJ4ITJUY5VXWAL6X5YU4 \
  | 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: e398422d49e2269a63b5bd80bf5fb8a7273fc27ccec6ec802128c73f325fb7b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f26435d0ce98f29393c53f2323244e9665eaf6b283b9fd97525951f6a0ba1b9",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2011-07-18T19:39:34Z",
    "title_canon_sha256": "38e3e7c13aad9c928ace380bb4689c02c71b594b112841d037db491f21c49e72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3537",
    "kind": "arxiv",
    "version": 1
  }
}