Pith Number

pith:UV2DXVRS

pith:2017:UV2DXVRSYKRBNPD7MABICDXOPL

not attested not anchored not stored refs pending

A Convex Optimization Approach to Discrete Optimal Control

Douglas J. Leith, V\'ictor Valls

arxiv:1701.02414 v2 · 2017-01-10 · 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{UV2DXVRSYKRBNPD7MABICDXOPL}

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	2026-05-18T00:19:53.810798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5743bd632c2a216bc7f6002810eee7af1213064763ad27f01de58220c761e8c

Aliases

arxiv: 1701.02414 · arxiv_version: 1701.02414v2 · doi: 10.48550/arxiv.1701.02414 · pith_short_12: UV2DXVRSYKRB · pith_short_16: UV2DXVRSYKRBNPD7 · pith_short_8: UV2DXVRS

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/UV2DXVRSYKRBNPD7MABICDXOPL \
  | 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: a5743bd632c2a216bc7f6002810eee7af1213064763ad27f01de58220c761e8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcdf49218ed7b36d8974b4db7f8c53deb5ec5eaaf3fb3232a5b49b7aa9422dc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-01-10T02:12:48Z",
    "title_canon_sha256": "6b183f6d69dd3eb3adb3827a6947d3e23b32dc6a825178f6ef1071d72a14e50b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02414",
    "kind": "arxiv",
    "version": 2
  }
}