Pith Number

pith:PHJ5JAV3

pith:2019:PHJ5JAV373AXKIPVTHTY3USF5C

not attested not anchored not stored refs pending

Downfolding of many-body Hamiltonians using active-space models: extension of the sub-system embedding sub-algebras approach to unitary coupled cluster formalisms

Eric J. Bylaska, Guang Hao Low, Karol Kowalski, Nathan Wiebe, Nicholas P. Bauman, Sriram Krishnamoorthy

arxiv:1902.01553 v2 · 2019-02-05 · quant-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{PHJ5JAV373AXKIPVTHTY3USF5C}

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	2026-05-17T23:39:55.089974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79d3d482bbfec17521f599e78dd245e8a55fbd4144b8c7c44f61f9b3f292ad58

Aliases

arxiv: 1902.01553 · arxiv_version: 1902.01553v2 · doi: 10.48550/arxiv.1902.01553 · pith_short_12: PHJ5JAV373AX · pith_short_16: PHJ5JAV373AXKIPV · pith_short_8: PHJ5JAV3

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/PHJ5JAV373AXKIPVTHTY3USF5C \
  | 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: 79d3d482bbfec17521f599e78dd245e8a55fbd4144b8c7c44f61f9b3f292ad58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74e478c8140a501e271089f1366bcd55c4e9f61e227df8364a188ca7c916af55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-05T05:31:21Z",
    "title_canon_sha256": "f9b174ccc3dd6a2bccd8bdc13b9d0cc601b996b47bba1d754f80da627bfdbe4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01553",
    "kind": "arxiv",
    "version": 2
  }
}