Pith Number

pith:XWRVQH54

pith:2015:XWRVQH543ZKXPB5ZOGSVKPHSCY

not attested not anchored not stored refs pending

Exponentially more precise quantum simulation of fermions I: Quantum chemistry in second quantization

Al\'an Aspuru-Guzik, Annie Y. Wei, Dominic W. Berry, Ian D. Kivlichan, Peter J. Love, Ryan Babbush

arxiv:1506.01020 v2 · 2015-06-02 · quant-ph · 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{XWRVQH543ZKXPB5ZOGSVKPHSCY}

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	2026-05-18T01:18:19.106866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda3581fbcde557787b971a5553cf2162cfc4a28735157c1c973e5e2fef49461

Aliases

arxiv: 1506.01020 · arxiv_version: 1506.01020v2 · doi: 10.48550/arxiv.1506.01020 · pith_short_12: XWRVQH543ZKX · pith_short_16: XWRVQH543ZKXPB5Z · pith_short_8: XWRVQH54

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/XWRVQH543ZKXPB5ZOGSVKPHSCY \
  | 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: bda3581fbcde557787b971a5553cf2162cfc4a28735157c1c973e5e2fef49461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46b2470bf72c4fd917ae0c557ddf81e67d8af03eec4f88d7aef4e328ff21229e",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-06-02T20:00:32Z",
    "title_canon_sha256": "2aec02e78bae91b4265f56f118f7a690d94a15c7de0856e9ff82cd57966b6d9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01020",
    "kind": "arxiv",
    "version": 2
  }
}