Pith Number

pith:BTKDH5EO

pith:2026:BTKDH5EOTWDIQUUEU3LNVPJZWG

not attested not anchored not stored refs pending

Relativistic Dirac-Coulomb-Breit Four-Component Multireference Perturbation Theory within the Small Tensor Product Distributed Active Space Framework

Martijn Oele, Rajat Majumder, Ryan A. Beck, Shiv Upadhyay, Xiaosong Li

arxiv:2608.11529 v1 · 2026-08-12 · 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{BTKDH5EOTWDIQUUEU3LNVPJZWG}

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	2026-08-13T00:22:07.577983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cd433f48e9d86885284a6d6dabd39b1b8859ace69d47aee11e5a57ccb7a8caa

Aliases

arxiv: 2608.11529 · arxiv_version: 2608.11529v1 · doi: 10.48550/arxiv.2608.11529 · pith_short_12: BTKDH5EOTWDI · pith_short_16: BTKDH5EOTWDIQUUE · pith_short_8: BTKDH5EO

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/BTKDH5EOTWDIQUUEU3LNVPJZWG \
  | 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: 0cd433f48e9d86885284a6d6dabd39b1b8859ace69d47aee11e5a57ccb7a8caa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b47a74dd87df9e9989b005d7e2373ae46ffa4a1dc268c98e5c294a1d1dccbbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-08-12T00:44:19Z",
    "title_canon_sha256": "3acbeb2dc840c083789f74a645eb213b8b6bd7ac1424a01bda40e9952871f512"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.11529",
    "kind": "arxiv",
    "version": 1
  }
}