pith. sign in
Pith Number

pith:6XVJQH4Z

pith:2014:6XVJQH4ZKFVKIENHDA6T53UTLH
not attested not anchored not stored refs pending

Optimal control of the signal to noise ratio per unit time for a spin 1/2 particle

D. Sugny, E. Ass\'emat, M. Lapert, S. J. Glaser

arxiv:1408.2996 v1 · 2014-08-13 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6XVJQH4ZKFVKIENHDA6T53UTLH}

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 2026-05-18T01:42:20.972695Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f5ea981f99516aa411a7183d3eee9359fce519cd3613e81ec2d40727e0c33c9f

Aliases

arxiv: 1408.2996 · arxiv_version: 1408.2996v1 · doi: 10.48550/arxiv.1408.2996 · pith_short_12: 6XVJQH4ZKFVK · pith_short_16: 6XVJQH4ZKFVKIENH · pith_short_8: 6XVJQH4Z
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6XVJQH4ZKFVKIENHDA6T53UTLH \
  | 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: f5ea981f99516aa411a7183d3eee9359fce519cd3613e81ec2d40727e0c33c9f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "84cd871028860534fe0727681216dc1e1c6d8fc8a848039d429f630904f80df1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-08-13T12:45:32Z",
    "title_canon_sha256": "977e1591d46973dc1d90bc81c7a16b01924434a396e4c39a736fffe06e3e4723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2996",
    "kind": "arxiv",
    "version": 1
  }
}