Pith Number

pith:QTUMEZSO

pith:2002:QTUMEZSOKH3KCB6RDRR7R7REBD

not attested not anchored not stored refs pending

Introduction to Quantum Error Correction

A. Ashikhmin, E. Knill, H. Barnum, L. Viola, R. Laflamme, W.H. Zurek

arxiv:quant-ph/0207170 v1 · 2002-07-30 · 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{QTUMEZSOKH3KCB6RDRR7R7REBD}

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	2026-07-04T14:45:59.363384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84e8c2664e51f6a107d11c63f8fe2408cf28da3c7d4527f5ad3b6eda24cd0c3c

Aliases

arxiv: quant-ph/0207170 · arxiv_version: quant-ph/0207170v1 · doi: 10.48550/arxiv.quant-ph/0207170 · pith_short_12: QTUMEZSOKH3K · pith_short_16: QTUMEZSOKH3KCB6R · pith_short_8: QTUMEZSO

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/QTUMEZSOKH3KCB6RDRR7R7REBD \
  | 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: 84e8c2664e51f6a107d11c63f8fe2408cf28da3c7d4527f5ad3b6eda24cd0c3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c225b215dc1d90a30de815d05e2a756db29ec336652cef09ec596a9b4226cbc2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-07-30T05:34:53Z",
    "title_canon_sha256": "753ad2116d7395bb7b4e37811b34946fe71812c1c23493e4d3d15c77a6c543b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0207170",
    "kind": "arxiv",
    "version": 1
  }
}