Pith Number

pith:4V56AH3N

pith:2021:4V56AH3NRC4R74V2JNLGK52VQV

not attested not anchored not stored refs pending

An Accelerated Proximal Gradient-based Model Predictive Control Algorithm

Jia Wang, Ying Yang

arxiv:2109.04405 v5 · 2021-09-09 · math.OC · cs.SY · eess.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{4V56AH3NRC4R74V2JNLGK52VQV}

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	2026-07-05T03:50:36.241094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e57be01f6d88b91ff2ba4b566577558546be2c2c96e4034f9771225910f42939

Aliases

arxiv: 2109.04405 · arxiv_version: 2109.04405v5 · doi: 10.48550/arxiv.2109.04405 · pith_short_12: 4V56AH3NRC4R · pith_short_16: 4V56AH3NRC4R74V2 · pith_short_8: 4V56AH3N

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/4V56AH3NRC4R74V2JNLGK52VQV \
  | 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: e57be01f6d88b91ff2ba4b566577558546be2c2c96e4034f9771225910f42939

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f4a2b6620ac8bc4cabdff47dd954aba761f49753e68849de8e794dd87ba4618",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-09-09T16:45:19Z",
    "title_canon_sha256": "861a94b35a7e0bfb22b25b66ce765a79a737b9de44362f3f208339d6c5b3046c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04405",
    "kind": "arxiv",
    "version": 5
  }
}