Pith Number

pith:W3S2HGPU

pith:2016:W3S2HGPU6BS7A43EXUZTFMV7RZ

not attested not anchored not stored refs pending

Directly Coupled Observers for Quantum Harmonic Oscillators with Discounted Mean Square Cost Functionals and Penalized Back-action

Ian R. Petersen, Igor G. Vladimirov

arxiv:1602.06498 v1 · 2016-02-21 · cs.SY · math.OC · math.PR · 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{W3S2HGPU6BS7A43EXUZTFMV7RZ}

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	2026-05-18T00:58:34.025081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6e5a399f4f065f07364bd3332b2bf8e5cef5b24a707d38c484d956aabe6f331

Aliases

arxiv: 1602.06498 · arxiv_version: 1602.06498v1 · doi: 10.48550/arxiv.1602.06498 · pith_short_12: W3S2HGPU6BS7 · pith_short_16: W3S2HGPU6BS7A43E · pith_short_8: W3S2HGPU

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/W3S2HGPU6BS7A43EXUZTFMV7RZ \
  | 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: b6e5a399f4f065f07364bd3332b2bf8e5cef5b24a707d38c484d956aabe6f331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f43070cf8574aeebc3a7b3b9dc028f2241ae4780e1b79ad9df221c35e97a9a45",
    "cross_cats_sorted": [
      "math.OC",
      "math.PR",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2016-02-21T04:40:20Z",
    "title_canon_sha256": "8d2168350d5205a3c0d1f90825e6e2be9d1685fd87375476d592308edfd72b39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06498",
    "kind": "arxiv",
    "version": 1
  }
}