Pith Number

pith:63FLBTLB

pith:2009:63FLBTLBBQ62V6WVRPUUL6CKKP

not attested not anchored not stored refs pending

Analysis of Lyapunov Method for Control of Quantum States

Sonia Schirmer, Xiaoting Wang

arxiv:0901.4515 v2 · 2009-01-28 · 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{63FLBTLBBQ62V6WVRPUUL6CKKP}

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	2026-05-18T04:39:59.656138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6cab0cd610c3daafad58be945f84a53c92c132aa6b09e6fd755ae499b572cd5

Aliases

arxiv: 0901.4515 · arxiv_version: 0901.4515v2 · doi: 10.48550/arxiv.0901.4515 · pith_short_12: 63FLBTLBBQ62 · pith_short_16: 63FLBTLBBQ62V6WV · pith_short_8: 63FLBTLB

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/63FLBTLBBQ62V6WVRPUUL6CKKP \
  | 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: f6cab0cd610c3daafad58be945f84a53c92c132aa6b09e6fd755ae499b572cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dd0dfc01be5ade69804ffe220a8078a5249e3c9bddabe7356abe2b15ebdac2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-01-28T20:18:28Z",
    "title_canon_sha256": "984de86a57fcffcc82859efc10f242cb90407fcc960152829c4154de23482ee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4515",
    "kind": "arxiv",
    "version": 2
  }
}