Pith Number

pith:IS7VCENX

pith:2004:IS7VCENXJOO3CTZ7AM6DCQZ5BE

not attested not anchored not stored refs pending

Experimental Implementation of a Concatenated Quantum Error-Correcting Code

David G. Cory, Evan M. Fortunato, Lorenza Viola, Nicolas Boulant

arxiv:quant-ph/0409193 v1 · 2004-09-27 · 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{IS7VCENXJOO3CTZ7AM6DCQZ5BE}

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	2026-07-04T16:50:25.027545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44bf5111b74b9db14f3f033c31433d0919f6e8650add20850689d9a9d9fe5fb7

Aliases

arxiv: quant-ph/0409193 · arxiv_version: quant-ph/0409193v1 · doi: 10.48550/arxiv.quant-ph/0409193 · pith_short_12: IS7VCENXJOO3 · pith_short_16: IS7VCENXJOO3CTZ7 · pith_short_8: IS7VCENX

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/IS7VCENXJOO3CTZ7AM6DCQZ5BE \
  | 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: 44bf5111b74b9db14f3f033c31433d0919f6e8650add20850689d9a9d9fe5fb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93cf7232ab5e8db50d3cf56c1e7d0f163aa71abb3cf5da660515dce9283dd525",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-09-27T23:12:21Z",
    "title_canon_sha256": "64c05dd9d990834a6e0fec7eaec65a70ad661e72698654ff4de6e933b71eeb86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0409193",
    "kind": "arxiv",
    "version": 1
  }
}