Pith Number

pith:655BVPSH

pith:2001:655BVPSHWY5CDAIKHSWSPF5QIP

not attested not anchored not stored refs pending

Virtual Quantum Subsystems

2) ((1) Institute for Scientific Interchange (ISI) Foundation, (2) Istituto Nazionale per la Fisica della Materia (INFM)), Paolo Zanardi (1

arxiv:quant-ph/0103030 v2 · 2001-03-07 · 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{655BVPSHWY5CDAIKHSWSPF5QIP}

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

Gauss law codes and vacuum codes from lattice gauge theories

Receipt and verification

First computed	2026-05-18T04:23:21.390230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f77a1abe47b63a21810a3cad2797b043dc297ad974deda5cef26c1a415214c50

Aliases

arxiv: quant-ph/0103030 · arxiv_version: quant-ph/0103030v2 · doi: 10.48550/arxiv.quant-ph/0103030 · pith_short_12: 655BVPSHWY5C · pith_short_16: 655BVPSHWY5CDAIK · pith_short_8: 655BVPSH

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/655BVPSHWY5CDAIKHSWSPF5QIP \
  | 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: f77a1abe47b63a21810a3cad2797b043dc297ad974deda5cef26c1a415214c50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25abce4d7474a34f6ed4ed7473596ee1738f1e9d3e811257562751ab5ffa656e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-03-07T18:35:12Z",
    "title_canon_sha256": "5ed92020545e647f36fec7c7da4b45907be956a8a723a8e33f13414f76b01bc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0103030",
    "kind": "arxiv",
    "version": 2
  }
}