Pith Number

pith:MKQAPE66

pith:2012:MKQAPE66QVT6BCT4HDEFHEY776

not attested not anchored not stored refs pending

A theory of the infinite horizon LQ-problem for composite systems of PDEs with boundary control

Francesca Bucci, Irena Lasiecka, Paolo Acquistapace

arxiv:1202.5890 v1 · 2012-02-27 · math.OC · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MKQAPE66QVT6BCT4HDEFHEY776}

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	2026-05-18T04:01:24.371637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62a00793de8567e08a7c38c853931fffb4dc3be73f8d0d9704c3f3a23a9effa6

Aliases

arxiv: 1202.5890 · arxiv_version: 1202.5890v1 · doi: 10.48550/arxiv.1202.5890 · pith_short_12: MKQAPE66QVT6 · pith_short_16: MKQAPE66QVT6BCT4 · pith_short_8: MKQAPE66

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/MKQAPE66QVT6BCT4HDEFHEY776 \
  | 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: 62a00793de8567e08a7c38c853931fffb4dc3be73f8d0d9704c3f3a23a9effa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8767a60e4959d29d899e68b1b3ef80cd4ea9505b48654edaafa38f468feb3aeb",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-02-27T11:10:28Z",
    "title_canon_sha256": "962867f42d41ed8edfa814f4f76f4361f91f8e9982dfa90c38ad2f8f8b2efdb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5890",
    "kind": "arxiv",
    "version": 1
  }
}