Pith Number

pith:G2YJQZSF

pith:2008:G2YJQZSF4SMYWQSX3ZLGBIVJC2

not attested not anchored not stored refs pending

Fault-tolerant quantum computation in concatenation of verified cluster states

Katsuji Yamamoto, Keisuke Fujii

arxiv:0802.4137 v2 · 2008-02-28 · 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{G2YJQZSF4SMYWQSX3ZLGBIVJC2}

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	2026-05-18T04:42:02.094763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36b0986645e4998b4257de5660a2a9168516ecd06a8c6f3419b165b22aa04f6f

Aliases

arxiv: 0802.4137 · arxiv_version: 0802.4137v2 · doi: 10.48550/arxiv.0802.4137 · pith_short_12: G2YJQZSF4SMY · pith_short_16: G2YJQZSF4SMYWQSX · pith_short_8: G2YJQZSF

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/G2YJQZSF4SMYWQSX3ZLGBIVJC2 \
  | 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: 36b0986645e4998b4257de5660a2a9168516ecd06a8c6f3419b165b22aa04f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a12baa379ee4efc5169860d88a9594ebfbe518ce8a3a58e5d69570bce924a057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-02-28T08:27:20Z",
    "title_canon_sha256": "b5eaefd49105f065a1f71c1b6fb8bd0dd2ef99e4e445ce62c8e395c50802143e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.4137",
    "kind": "arxiv",
    "version": 2
  }
}