Pith Number

pith:Y2JUDULL

pith:2020:Y2JUDULL6K55USOPVFV6VTPVLY

not attested not anchored not stored refs pending

The remarkable accuracy of an $O(N^6)$ perturbative correction to opposite-spin CCSD: are triples necessary for chemical accuracy in coupled cluster?

David W. Small

arxiv:2003.06088 v1 · 2020-03-13 · 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{Y2JUDULL6K55USOPVFV6VTPVLY}

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	2026-07-05T00:47:43.559353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c69341d16bf2bbda49cfa96beacdf55e1d4a283a12d301e1643b206dba0bba18

Aliases

arxiv: 2003.06088 · arxiv_version: 2003.06088v1 · doi: 10.48550/arxiv.2003.06088 · pith_short_12: Y2JUDULL6K55 · pith_short_16: Y2JUDULL6K55USOP · pith_short_8: Y2JUDULL

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/Y2JUDULL6K55USOPVFV6VTPVLY \
  | 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: c69341d16bf2bbda49cfa96beacdf55e1d4a283a12d301e1643b206dba0bba18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6830c90ec0913cc37960a61d52d9074683f141d6783c24a03856466c73c5534",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2020-03-13T03:03:39Z",
    "title_canon_sha256": "a9c377ab8c7b4b03a9209e0b0fc9894b6fe868185eff9c3a2d2acab23dfdb0a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.06088",
    "kind": "arxiv",
    "version": 1
  }
}