Pith Number

pith:RR4DLV3Z

pith:2010:RR4DLV3ZQV6HEJRGAQ7UXFT2IB

not attested not anchored not stored refs pending

Quantum computing applied to calculations of molecular energies: CH2 benchmark

Ji\v{r}\'i Pittner, Libor Veis

arxiv:1008.3451 v2 · 2010-08-20 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RR4DLV3ZQV6HEJRGAQ7UXFT2IB}

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	2026-05-18T04:35:46.856150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c7835d779857c722626043f4b967a40461acdb1f37ad1e67c890b8b0b80d96c

Aliases

arxiv: 1008.3451 · arxiv_version: 1008.3451v2 · doi: 10.48550/arxiv.1008.3451 · pith_short_12: RR4DLV3ZQV6H · pith_short_16: RR4DLV3ZQV6HEJRG · pith_short_8: RR4DLV3Z

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/RR4DLV3ZQV6HEJRGAQ7UXFT2IB \
  | 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: 8c7835d779857c722626043f4b967a40461acdb1f37ad1e67c890b8b0b80d96c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5adba78ea4687c0f566f6ed3399a5956df26d5f20cd977286d1708ef2b91e358",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-08-20T07:44:57Z",
    "title_canon_sha256": "222418924fa062df5edc9b9f4db27d9bd9eaf50182bef01bcb036a1c48322b4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3451",
    "kind": "arxiv",
    "version": 2
  }
}