Pith Number

pith:TRMYX35Y

pith:2026:TRMYX35Y3LZNTFUL5TJ2HR3GXD

not attested not anchored not stored refs pending

Formal O(N3)-Scaling Second-Order Perturbation Theory by Block Tensor Decomposition: Implementation on MP2 and rPT2

Peifeng Su, Wei Wu, Yueyang Zhang

arxiv:2605.28750 v1 · 2026-05-27 · 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{TRMYX35Y3LZNTFUL5TJ2HR3GXD}

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	2026-05-28T02:05:01.860014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c598befb8daf2d9968becd3a3c766b8de838722e20acb66365916f55436964c

Aliases

arxiv: 2605.28750 · arxiv_version: 2605.28750v1 · doi: 10.48550/arxiv.2605.28750 · pith_short_12: TRMYX35Y3LZN · pith_short_16: TRMYX35Y3LZNTFUL · pith_short_8: TRMYX35Y

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/TRMYX35Y3LZNTFUL5TJ2HR3GXD \
  | 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: 9c598befb8daf2d9968becd3a3c766b8de838722e20acb66365916f55436964c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cba0e5d6f9accdb805abbf07551a3c9f96e4e5e02c4c4a6c0fdcce224651cddf",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-05-27T17:08:11Z",
    "title_canon_sha256": "56cccd004fd657272a00f88c71d0c09c60f54aafc333aeb222da86fbfa084f0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28750",
    "kind": "arxiv",
    "version": 1
  }
}