Pith Number

pith:KFDMDVMD

pith:2008:KFDMDVMDWUSH5NL33ZMBY3J5E3

not attested not anchored not stored refs pending

Gapped Two-body Hamiltonian whose Unique Ground State is Universal for One-way Quantum Computation

Bei Zeng, Beni Yoshida, Isaac L. Chuang, Xie Chen, Zhengcheng Gu

arxiv:0812.4067 v1 · 2008-12-21 · 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{KFDMDVMDWUSH5NL33ZMBY3J5E3}

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	2026-05-18T03:24:08.563230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5146c1d583b5247eb57bde581c6d3d26e2363601cd2aef3ae3a0275f6f03b836

Aliases

arxiv: 0812.4067 · arxiv_version: 0812.4067v1 · doi: 10.48550/arxiv.0812.4067 · pith_short_12: KFDMDVMDWUSH · pith_short_16: KFDMDVMDWUSH5NL3 · pith_short_8: KFDMDVMD

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/KFDMDVMDWUSH5NL33ZMBY3J5E3 \
  | 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: 5146c1d583b5247eb57bde581c6d3d26e2363601cd2aef3ae3a0275f6f03b836

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f21449240260c5c66beda8b683d5fb2a48aba89e33f763138e0ec25174f9bc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-12-21T23:05:09Z",
    "title_canon_sha256": "1437ed8521650f1f26ffb82f86438fd2ca96bdad0c0d1b43a9ec5d17ffba6fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4067",
    "kind": "arxiv",
    "version": 1
  }
}