Pith Number

pith:MKVCDSAC

pith:2017:MKVCDSACGXRIKIZENHBBYTEUEA

not attested not anchored not stored refs pending

Low-Rank Modifications of Riccati Factorizations for Model Predictive Control

Daniel Axehill, Isak Nielsen

arxiv:1703.07589 v1 · 2017-03-22 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MKVCDSACGXRIKIZENHBBYTEUEA}

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	2026-05-18T00:48:06.607799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62aa21c80235e285232469c21c4c9420347603381145ce9c9f4d5b620dcd18dc

Aliases

arxiv: 1703.07589 · arxiv_version: 1703.07589v1 · doi: 10.48550/arxiv.1703.07589 · pith_short_12: MKVCDSACGXRI · pith_short_16: MKVCDSACGXRIKIZE · pith_short_8: MKVCDSAC

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/MKVCDSACGXRIKIZENHBBYTEUEA \
  | 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: 62aa21c80235e285232469c21c4c9420347603381145ce9c9f4d5b620dcd18dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c75083a46594f3fa70223c0f42511110e99b61c1cdc883400a042f8fdd52bf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-22T10:09:14Z",
    "title_canon_sha256": "27f57358198c888b31d8798e8aec302811e1071d7fffabb7d7c1d40cd7c14d90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07589",
    "kind": "arxiv",
    "version": 1
  }
}