Pith Number

pith:BBRCBQ6L

pith:1997:BBRCBQ6LM4AU7U6GJWHD77H6QQ

not attested not anchored not stored refs pending

Space, time, parallelism and noise requirements for reliable quantum computing

Andrew Steane (Clarendon Laboratory, Oxford University)

arxiv:quant-ph/9708021 v1 · 1997-08-12 · 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{BBRCBQ6LM4AU7U6GJWHD77H6QQ}

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	2026-05-18T01:37:53.165662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

086220c3cb67014fd3c64d8e3ffcfe843176c0db0f2eb21788d3fd2652c64bf6

Aliases

arxiv: quant-ph/9708021 · arxiv_version: quant-ph/9708021v1 · doi: 10.48550/arxiv.quant-ph/9708021 · pith_short_12: BBRCBQ6LM4AU · pith_short_16: BBRCBQ6LM4AU7U6G · pith_short_8: BBRCBQ6L

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/BBRCBQ6LM4AU7U6GJWHD77H6QQ \
  | 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: 086220c3cb67014fd3c64d8e3ffcfe843176c0db0f2eb21788d3fd2652c64bf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c93ff7bb69044743bcc38d42f223f3f0c4e34ddf91d319d4e5b0fca1c04a9e7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-08-12T13:12:16Z",
    "title_canon_sha256": "19f492090d4a60b1a0ef84e4623e43359c02538e0ecafd65ec339b27a9aa187a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9708021",
    "kind": "arxiv",
    "version": 1
  }
}