pith. sign in
Pith Number

pith:J45N2HRT

pith:2013:J45N2HRTFPZESS4RS6NK7O2OFE
not attested not anchored not stored refs pending

The tensor hypercontracted parametric reduced density matrix algorithm: coupled-cluster accuracy with O(r^4) scaling

Christine Schwerdtfeger, David Mazziotti, Helen van Aggelen, Neil Shenvi, Weitao Yang, Yang Yang

arxiv:1305.4802 v1 · 2013-05-21 · physics.chem-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J45N2HRTFPZESS4RS6NK7O2OFE}

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 2026-05-18T01:49:48.417131Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4f3add1e332bf2494b91979aafbb4e291596fd9d2a3888e97d9a10756d0e16fe

Aliases

arxiv: 1305.4802 · arxiv_version: 1305.4802v1 · doi: 10.48550/arxiv.1305.4802 · pith_short_12: J45N2HRTFPZE · pith_short_16: J45N2HRTFPZESS4R · pith_short_8: J45N2HRT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J45N2HRTFPZESS4RS6NK7O2OFE \
  | 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: 4f3add1e332bf2494b91979aafbb4e291596fd9d2a3888e97d9a10756d0e16fe
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "55c69fa71971f072c5025c1db4ededeaac96185ac05244c514019bd80799c348",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-05-21T12:49:28Z",
    "title_canon_sha256": "d4350e9f3cddc190bcef9d89040185b415f1b35535eca96799872f1119369ec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4802",
    "kind": "arxiv",
    "version": 1
  }
}