Pith Number

pith:6GOV6W6Q

pith:2019:6GOV6W6QUR2OKNECGBQEIQAFKG

not attested not anchored not stored refs pending

Efficient and More Accurate Representation of Solution Trajectories in Numerical Optimal Control

Eric C. Kerrigan, Yuanbo Nie

arxiv:1902.11041 v2 · 2019-02-28 · 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{6GOV6W6QUR2OKNECGBQEIQAFKG}

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	2026-06-04T20:13:57.097625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f19d5f5bd0a474e534823060444005518307c6bafd7cc7597b44f21c79c83dcc

Aliases

arxiv: 1902.11041 · arxiv_version: 1902.11041v2 · doi: 10.48550/arxiv.1902.11041 · pith_short_12: 6GOV6W6QUR2O · pith_short_16: 6GOV6W6QUR2OKNEC · pith_short_8: 6GOV6W6Q

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/6GOV6W6QUR2OKNECGBQEIQAFKG \
  | 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: f19d5f5bd0a474e534823060444005518307c6bafd7cc7597b44f21c79c83dcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ca28b349d01e8367858ca2a5720d7f8df37259323d009bcc4a5186e99121ffc",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-28T12:10:02Z",
    "title_canon_sha256": "8d584046e434ba3704c3e807e20c33b6cad869fab852fdc0719758692fc3043b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11041",
    "kind": "arxiv",
    "version": 2
  }
}