Pith Number

pith:BUX5AAMQ

pith:2005:BUX5AAMQBQ3MKQ2CTSWEETBHQK

not attested not anchored not stored refs pending

Efficient Parity Encoded Optical Quantum Computing

A.J.F. Hayes, Alexei Gilchrist, T.C. Ralph

arxiv:quant-ph/0505125 v1 · 2005-05-17 · 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{BUX5AAMQBQ3MKQ2CTSWEETBHQK}

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	2026-05-18T03:24:19.849164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d2fd001900c36c543429cac424c278282600ba03ec7d1e832f759bd64710ce7

Aliases

arxiv: quant-ph/0505125 · arxiv_version: quant-ph/0505125v1 · doi: 10.48550/arxiv.quant-ph/0505125 · pith_short_12: BUX5AAMQBQ3M · pith_short_16: BUX5AAMQBQ3MKQ2C · pith_short_8: BUX5AAMQ

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/BUX5AAMQBQ3MKQ2CTSWEETBHQK \
  | 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: 0d2fd001900c36c543429cac424c278282600ba03ec7d1e832f759bd64710ce7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ebe0318fec375c4b8f736b23ee3ecf1d047510cb6446cf1fc9734abde0e45f5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-05-17T04:51:30Z",
    "title_canon_sha256": "83f3e3076bf29be31c67e9183b205b4a8b271aa934b27b5c616838312e175c24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0505125",
    "kind": "arxiv",
    "version": 1
  }
}