Pith Number

pith:DDTHJWRA

pith:2026:DDTHJWRABTGHJPYXRZS5JB4O33

not attested not anchored not stored refs pending

Qcombo: A Python Package for Automated Commutator Calculations of Quantum Many-Body Operators

H. Hergert, J. M. Yao, L. H. Chen, Y. Li

arxiv:2603.24399 v2 · 2026-03-25 · nucl-th · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDTHJWRABTGHJPYXRZS5JB4O33}

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.

Cited by

1 paper in Pith

High-order perturbative calculations of nuclear ground states: Automated evaluation of many-body diagrams

Receipt and verification

First computed	2026-07-17T01:21:48.287141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e674da200ccc74bf178e65d4878eded8cff8f31b7bc4525ca52d73c418264a

Aliases

arxiv: 2603.24399 · arxiv_version: 2603.24399v2 · doi: 10.48550/arxiv.2603.24399 · pith_short_12: DDTHJWRABTGH · pith_short_16: DDTHJWRABTGHJPYX · pith_short_8: DDTHJWRA

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/DDTHJWRABTGHJPYXRZS5JB4O33 \
  | 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: 18e674da200ccc74bf178e65d4878eded8cff8f31b7bc4525ca52d73c418264a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8526ece129299d73b04eb7548805fa833ae2ce8a20f1521613ea816111f3811b",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2026-03-25T15:15:14Z",
    "title_canon_sha256": "5cc6dbc396892148fafb01d449aec8da67a9c12755525379b9b5ef15049ed33a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.24399",
    "kind": "arxiv",
    "version": 2
  }
}