Pith Number

pith:4VLRDONA

pith:2011:4VLRDONAPCWNJFOTIXHZ7BNRWK

not attested not anchored not stored refs pending

Time-optimal synthesis of SU(2) transformations for a spin-1/2 system

A. D. Boozer

arxiv:1109.5412 v1 · 2011-09-25 · 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{4VLRDONAPCWNJFOTIXHZ7BNRWK}

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	2026-05-18T03:23:13.423104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e55711b9a078acd495d345cf9f85b1b2b02169486fd6e017c442ce9aa1aa5fc2

Aliases

arxiv: 1109.5412 · arxiv_version: 1109.5412v1 · doi: 10.48550/arxiv.1109.5412 · pith_short_12: 4VLRDONAPCWN · pith_short_16: 4VLRDONAPCWNJFOT · pith_short_8: 4VLRDONA

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/4VLRDONAPCWNJFOTIXHZ7BNRWK \
  | 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: e55711b9a078acd495d345cf9f85b1b2b02169486fd6e017c442ce9aa1aa5fc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63956cc41a5fa80a589908777f55f1c5b88aba711fd17da5a827e25ee274a71f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-09-25T22:57:33Z",
    "title_canon_sha256": "5e71b37f32169a15ccc0eddb33c3082f3e80221273f0af2e2d67e9e3792c47aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5412",
    "kind": "arxiv",
    "version": 1
  }
}