Pith Number

pith:AYOP5ADH

pith:2009:AYOP5ADHTOUHPSRF76NSQ23A4Y

not attested not anchored not stored refs pending

Self-Correcting Quantum Computers

H. Bombin, M.A. Martin-Delgado, M. Horodecki, R. W. Chhajlany

arxiv:0907.5228 v2 · 2009-07-29 · 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{AYOP5ADHTOUHPSRF76NSQ23A4Y}

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	2026-05-18T03:22:17.626396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

061cfe80679ba877ca25ff9b286b60e6029406c2244c26264c429fcda8f344bf

Aliases

arxiv: 0907.5228 · arxiv_version: 0907.5228v2 · doi: 10.48550/arxiv.0907.5228 · pith_short_12: AYOP5ADHTOUH · pith_short_16: AYOP5ADHTOUHPSRF · pith_short_8: AYOP5ADH

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/AYOP5ADHTOUHPSRF76NSQ23A4Y \
  | 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: 061cfe80679ba877ca25ff9b286b60e6029406c2244c26264c429fcda8f344bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1eefbc648f1f6cd9adf50a461f759052541dfa802ecd49f2f5d8a2098ea0832",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-29T22:10:18Z",
    "title_canon_sha256": "094d3da8f34487bc3fc1280c0b75a0e3a158cdb7feff21d1f1b3693eb8814bec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5228",
    "kind": "arxiv",
    "version": 2
  }
}