Pith Number

pith:5JMPU3KK

pith:2016:5JMPU3KKZHKF4ZW4MP55DTHAB3

not attested not anchored not stored refs pending

Structure Preserving H-infinity Optimal PI Control

Anders Rantzer, Carolina Lidstrom, Richard Pates

arxiv:1612.07824 v1 · 2016-12-22 · 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{5JMPU3KKZHKF4ZW4MP55DTHAB3}

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	2026-05-18T00:54:05.615565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea58fa6d4ac9d45e66dc63fbd1cce00edc30d70990ca9f799a51751a9edb28f6

Aliases

arxiv: 1612.07824 · arxiv_version: 1612.07824v1 · doi: 10.48550/arxiv.1612.07824 · pith_short_12: 5JMPU3KKZHKF · pith_short_16: 5JMPU3KKZHKF4ZW4 · pith_short_8: 5JMPU3KK

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/5JMPU3KKZHKF4ZW4MP55DTHAB3 \
  | 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: ea58fa6d4ac9d45e66dc63fbd1cce00edc30d70990ca9f799a51751a9edb28f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17d5931bbafcee19f1fc2654482943d0c8bdebc998493a45cf3ded5da3411af5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-12-22T22:00:45Z",
    "title_canon_sha256": "b4ab79dd342c8ee1c48a18f2158e2eeab2a13ff0949ac36b23c5e4c797f14270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07824",
    "kind": "arxiv",
    "version": 1
  }
}