Pith Number

pith:K7YWGZUV

pith:2019:K7YWGZUVXQZCDHVI7BFUHRLEBY

not attested not anchored not stored refs pending

Quantum equation of motion for computing molecular excitation energies on a noisy quantum processor

Abhinav Kandala, Antonio Mezzacapo, Chun-Fu Chen, Ivano Tavernelli, Jay Gambetta, Marco Pistoia, Panagiotis Kl Barkoutsos, Pauline J Ollitrault, Sarah Sheldon, Stefan Woerner

arxiv:1910.12890 v2 · 2019-10-28 · quant-ph · cond-mat.str-el · 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{K7YWGZUVXQZCDHVI7BFUHRLEBY}

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	2026-07-05T01:48:42.542552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57f1636695bc32219ea8f84b43c5640e1244e10e683f29a23904c38902b68de0

Aliases

arxiv: 1910.12890 · arxiv_version: 1910.12890v2 · doi: 10.48550/arxiv.1910.12890 · pith_short_12: K7YWGZUVXQZC · pith_short_16: K7YWGZUVXQZCDHVI · pith_short_8: K7YWGZUV

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/K7YWGZUVXQZCDHVI7BFUHRLEBY \
  | 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: 57f1636695bc32219ea8f84b43c5640e1244e10e683f29a23904c38902b68de0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5c89cd1bbb1be53004e93f09a96a85ba4c75837b46d53f8013de09a6d91419a",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-10-28T18:00:37Z",
    "title_canon_sha256": "ee42761bc77c0ef1d4de0f07fbee90ca211828a622075ed49bdbe8428b549913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12890",
    "kind": "arxiv",
    "version": 2
  }
}