Pith Number

pith:FQ55NFNT

pith:2022:FQ55NFNTLHTNRXNIWNTZHKID3R

not attested not anchored not stored refs pending

Quantum Davidson Algorithm for Excited States

Alexander I. Boldyrev, Lukasz Cincio, Nikolay V. Tkachenko, Pavel A. Dub, Sergei Tretiak, Yu Zhang

arxiv:2204.10741 v2 · 2022-04-22 · 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{FQ55NFNTLHTNRXNIWNTZHKID3R}

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	2026-07-05T06:47:50.755285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c3bd695b359e6d8dda8b36793a903dc4ed21c6e603b022864c04812d7503ef3

Aliases

arxiv: 2204.10741 · arxiv_version: 2204.10741v2 · doi: 10.48550/arxiv.2204.10741 · pith_short_12: FQ55NFNTLHTN · pith_short_16: FQ55NFNTLHTNRXNI · pith_short_8: FQ55NFNT

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/FQ55NFNTLHTNRXNIWNTZHKID3R \
  | 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: 2c3bd695b359e6d8dda8b36793a903dc4ed21c6e603b022864c04812d7503ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25bdae24bd2189679a54fa992ff9f1ace45602d5176729e311de07251667f3e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-04-22T15:03:03Z",
    "title_canon_sha256": "8d49499d4c3cd1e40f794a32fd6b360834c43dc81ce935ae54b71ecb722c2bc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.10741",
    "kind": "arxiv",
    "version": 2
  }
}