Pith Number

pith:74E3BP7P

pith:2004:74E3BP7PFHRLOAVJNZPEX7ELG3

not attested not anchored not stored refs pending

Implementing fanout, parity, and Mod gates via spin exchange interactions

Stephen A. Fenner, Yong Zhang

arxiv:quant-ph/0407125 v1 · 2004-07-16 · 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{74E3BP7PFHRLOAVJNZPEX7ELG3}

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.

Cited by

1 paper in Pith

Quantum Fanout Gates in Constant Depth via Resonance Engineering

Receipt and verification

First computed	2026-05-18T01:05:03.393661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff09b0bfef29e2b702a96e5e4bfc8b36df7c1e7e084cc94b8a3b5fa019cfed24

Aliases

arxiv: quant-ph/0407125 · arxiv_version: quant-ph/0407125v1 · doi: 10.48550/arxiv.quant-ph/0407125 · pith_short_12: 74E3BP7PFHRL · pith_short_16: 74E3BP7PFHRLOAVJ · pith_short_8: 74E3BP7P

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/74E3BP7PFHRLOAVJNZPEX7ELG3 \
  | 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: ff09b0bfef29e2b702a96e5e4bfc8b36df7c1e7e084cc94b8a3b5fa019cfed24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13b0861594b8a88b6bb7f9c9d873665715517e5caa281934c73a1b65a11b9f2d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-07-16T06:05:02Z",
    "title_canon_sha256": "008b4e51863396b16c7a36379e38568b3c56768f8983ff8d6e2e3a74f19e899b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0407125",
    "kind": "arxiv",
    "version": 1
  }
}