Pith Number

pith:HRMEK6QW

pith:1997:HRMEK6QWRFSUICBTDUW4PPS6YG

not attested not anchored not stored refs pending

Error Avoiding Quantum Codes

3), 3) ((1) ISI Foundation, (3) INFM Politecnico di Torino), M. Rasetti (2, Politecnico di Torino, P. Zanardi (1, Torino (2) Dipartimento di fisica

arxiv:quant-ph/9710041 v1 · 1997-10-16 · 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{HRMEK6QWRFSUICBTDUW4PPS6YG}

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	2026-05-18T01:37:53.046346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c58457a1689654408331d2dc7be5ec1a6ff40108f0243fbbe07d2a61b06345b

Aliases

arxiv: quant-ph/9710041 · arxiv_version: quant-ph/9710041v1 · doi: 10.48550/arxiv.quant-ph/9710041 · pith_short_12: HRMEK6QWRFSU · pith_short_16: HRMEK6QWRFSUICBT · pith_short_8: HRMEK6QW

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/HRMEK6QWRFSUICBTDUW4PPS6YG \
  | 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: 3c58457a1689654408331d2dc7be5ec1a6ff40108f0243fbbe07d2a61b06345b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9888b8dfd98f126412bdace7d070477454a185b4c068fd5b45dbede937aaae93",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-10-16T07:44:16Z",
    "title_canon_sha256": "f647ebf07ec229c3388d332b178bbd9f3961880379acfe2c46c06386a7d41a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9710041",
    "kind": "arxiv",
    "version": 1
  }
}