Pith Number

pith:FJK5LDMJ

pith:2018:FJK5LDMJVPHXOPSCG4PAISMFOJ

not attested not anchored not stored refs pending

Direct coupling coherent quantum observers with discounted mean square performance criteria and penalized back-action

Ian R. Petersen, Igor G. Vladimirov

arxiv:1809.00389 v1 · 2018-09-02 · cs.SY · math.OC · 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{FJK5LDMJVPHXOPSCG4PAISMFOJ}

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	2026-05-18T00:06:35.344409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a55d58d89abcf773e42371e0449857268d81ea5ac883c3df9fa2a0fc4bfc15b

Aliases

arxiv: 1809.00389 · arxiv_version: 1809.00389v1 · doi: 10.48550/arxiv.1809.00389 · pith_short_12: FJK5LDMJVPHX · pith_short_16: FJK5LDMJVPHXOPSC · pith_short_8: FJK5LDMJ

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/FJK5LDMJVPHXOPSCG4PAISMFOJ \
  | 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: 2a55d58d89abcf773e42371e0449857268d81ea5ac883c3df9fa2a0fc4bfc15b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aa2172147b73de9381912c3524053ccc5e76470d37b31c99359ddf19679945e",
    "cross_cats_sorted": [
      "math.OC",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-09-02T20:48:43Z",
    "title_canon_sha256": "568e8cfd037342a81e9c52040701f8e1782cd1151b7c2ad2dac8c498daa6290f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00389",
    "kind": "arxiv",
    "version": 1
  }
}