Pith Number

pith:QOIBV2HT

pith:2005:QOIBV2HTJBQ2WRHP6ENQLTYFBC

not attested not anchored not stored refs pending

Spin-1/2 particles moving on a 2D lattice with nearest-neighbor interactions can realize an autonomous quantum computer

Dominik Janzing

arxiv:quant-ph/0506270 v2 · 2005-06-30 · 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{QOIBV2HTJBQ2WRHP6ENQLTYFBC}

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	2026-05-18T03:24:19.814632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83901ae8f34861ab44eff11b05cf0508aa9d11480e1adde492287504c877cc10

Aliases

arxiv: quant-ph/0506270 · arxiv_version: quant-ph/0506270v2 · doi: 10.48550/arxiv.quant-ph/0506270 · pith_short_12: QOIBV2HTJBQ2 · pith_short_16: QOIBV2HTJBQ2WRHP · pith_short_8: QOIBV2HT

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/QOIBV2HTJBQ2WRHP6ENQLTYFBC \
  | 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: 83901ae8f34861ab44eff11b05cf0508aa9d11480e1adde492287504c877cc10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ff3a9c88d73edfbe844977bb5887fa51ba4c8ae6033a579eeda202350ee09ad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-06-30T18:15:51Z",
    "title_canon_sha256": "59f08ea9ce7ffbf226938ed2b3c276444351436a27adddbb3cb8c82e570da19a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0506270",
    "kind": "arxiv",
    "version": 2
  }
}