Pith Number

pith:KFRZKYAF

pith:1998:KFRZKYAFGWVTLDKYREH53C5SB6

not attested not anchored not stored refs pending

The effective Hamiltonian of the Pound-Overhauser controlled-NOT gate

A. E. Dunlop, D. G. Cory, S. S. Somaroo, T. F. Havel, W. Zhang

arxiv:quant-ph/9809045 v1 · 1998-09-16 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFRZKYAFGWVTLDKYREH53C5SB6}

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	2026-07-04T17:27:07.329710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

516395600535ab358d58890fdd8bb20fb5745ae8d8906110fa05d2470e55cb4e

Aliases

arxiv: quant-ph/9809045 · arxiv_version: quant-ph/9809045v1 · doi: 10.48550/arxiv.quant-ph/9809045 · pith_short_12: KFRZKYAFGWVT · pith_short_16: KFRZKYAFGWVTLDKY · pith_short_8: KFRZKYAF

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/KFRZKYAFGWVTLDKYREH53C5SB6 \
  | 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: 516395600535ab358d58890fdd8bb20fb5745ae8d8906110fa05d2470e55cb4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "444cf9d40866a4392637f5b82cdd0eca9a96d78f6a5eb2cefaa8a12f76823225",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-09-16T16:41:10Z",
    "title_canon_sha256": "078b1566226313a04dd43b3db957b1dcda9dad74dab94bea3980e4c9dece40cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9809045",
    "kind": "arxiv",
    "version": 1
  }
}