Pith Number

pith:3OKVGXMO

pith:2016:3OKVGXMOAPLVGJHZHACL5T7T3W

not attested not anchored not stored refs pending

Gray Box Identification of State-Space Models Using Difference of Convex Programming

Chengpu Yu, Lennart Ljung, Michel Verhaegen

arxiv:1611.04359 v1 · 2016-11-14 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OKVGXMOAPLVGJHZHACL5T7T3W}

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	2026-05-18T00:59:16.843629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db95535d8e03d75324f93804becff3dd9cd13137e09dc583bb5d4ecf5f9d020b

Aliases

arxiv: 1611.04359 · arxiv_version: 1611.04359v1 · doi: 10.48550/arxiv.1611.04359 · pith_short_12: 3OKVGXMOAPLV · pith_short_16: 3OKVGXMOAPLVGJHZ · pith_short_8: 3OKVGXMO

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/3OKVGXMOAPLVGJHZHACL5T7T3W \
  | 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: db95535d8e03d75324f93804becff3dd9cd13137e09dc583bb5d4ecf5f9d020b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55503068b7e688321628597bd203602a38cbf853c97b7ae1d83d9e121f546e0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2016-11-14T12:28:20Z",
    "title_canon_sha256": "dd59a9697bfaaa730c2de3a4db4edd2180a6b0a0321f6cd19c8db2ce9f3c2f12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04359",
    "kind": "arxiv",
    "version": 1
  }
}