Pith Number

pith:XS2W5ZXP

pith:2026:XS2W5ZXPQDDAEABKGFOSW6VEHM

not attested not anchored not stored refs pending

Dynamic electron correlation energy for multireference wavefunction methods from one- and two-electron reduced density matrices

Aleksandra Tucholska, Katarzyna Pernal, Micha{\l} Hapka

arxiv:2605.22394 v1 · 2026-05-21 · 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{XS2W5ZXPQDDAEABKGFOSW6VEHM}

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	2026-05-22T01:04:41.366911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcb56ee6ef80c602002a315d2b7aa43b2277b649ef42bd718f49689a23aff9c1

Aliases

arxiv: 2605.22394 · arxiv_version: 2605.22394v1 · doi: 10.48550/arxiv.2605.22394 · pith_short_12: XS2W5ZXPQDDA · pith_short_16: XS2W5ZXPQDDAEABK · pith_short_8: XS2W5ZXP

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/XS2W5ZXPQDDAEABKGFOSW6VEHM \
  | 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: bcb56ee6ef80c602002a315d2b7aa43b2277b649ef42bd718f49689a23aff9c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e6d59dd7b206efdb5cfebe8b056a8b7564aef2909276889fabf8d269a6a70c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-05-21T12:28:15Z",
    "title_canon_sha256": "79e654df2338a30e56a346fe89dd8787c5d8de00fcc183a7ff7259815b31d76c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22394",
    "kind": "arxiv",
    "version": 1
  }
}