Pith Number

pith:KMIQ47AG

pith:2017:KMIQ47AGDOW2YGAHQLX2C7VY33

not attested not anchored not stored refs pending

Optimal Control of Quantum Purity for $n=2$ Systems

Anthony Bloch, Leonardo Colombo, Patrick Rooney, William Clark

arxiv:1703.04698 v1 · 2017-03-14 · math.OC · math-ph · math.DS · 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{KMIQ47AGDOW2YGAHQLX2C7VY33}

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	2026-05-18T00:48:39.414325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53110e7c061badac180782efa17eb8dec71ca9001ed14643f49dbeeaf7821111

Aliases

arxiv: 1703.04698 · arxiv_version: 1703.04698v1 · doi: 10.48550/arxiv.1703.04698 · pith_short_12: KMIQ47AGDOW2 · pith_short_16: KMIQ47AGDOW2YGAH · pith_short_8: KMIQ47AG

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/KMIQ47AGDOW2YGAHQLX2C7VY33 \
  | 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: 53110e7c061badac180782efa17eb8dec71ca9001ed14643f49dbeeaf7821111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e04d5b2d18bdde94d346c71245bfecd99891290b4d11d6a3bd45c6552e1705fc",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-14T20:21:53Z",
    "title_canon_sha256": "5503bdc72b9031d8bd12b77537609785e8d05e4f558a7009a11f90e3ea3eed7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04698",
    "kind": "arxiv",
    "version": 1
  }
}