Pith Number

pith:NXRQO3CX

pith:2008:NXRQO3CXS272QVWGGUUY4PAOL4

not attested not anchored not stored refs pending

A generalized quantum SWAP gate

Colin Wilmott

arxiv:0811.1684 v2 · 2008-11-11 · 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{NXRQO3CXS272QVWGGUUY4PAOL4}

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	2026-05-18T04:28:08.398124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6de3076c5796bfa856c635298e3c0e5f03314a476fff2757bed645033401117b

Aliases

arxiv: 0811.1684 · arxiv_version: 0811.1684v2 · doi: 10.48550/arxiv.0811.1684 · pith_short_12: NXRQO3CXS272 · pith_short_16: NXRQO3CXS272QVWG · pith_short_8: NXRQO3CX

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/NXRQO3CXS272QVWGGUUY4PAOL4 \
  | 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: 6de3076c5796bfa856c635298e3c0e5f03314a476fff2757bed645033401117b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e94e42365b63b40d268040452f8292a87956be59e3215bfbd089e09d56e66113",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-11-11T11:07:16Z",
    "title_canon_sha256": "cd8fa61741d2764684d437023daff0196fc00beecab07eba95487aaa8063c392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1684",
    "kind": "arxiv",
    "version": 2
  }
}