Pith Number

pith:USO74E6M

pith:2019:USO74E6MDOOX3SZXFMNMA7CXQX

not attested not anchored not stored refs pending

T-PFC: A Trajectory-Optimized Perturbation Feedback Control Approach

Karthikeya S Parunandi, Suman Chakravorty

arxiv:1902.01389 v2 · 2019-02-04 · 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{USO74E6MDOOX3SZXFMNMA7CXQX}

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	2026-05-17T23:52:31.801178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a49dfe13cc1b9d7dcb372b1ac07c5785f77a76c451d928cdf58e4a1dbb910025

Aliases

arxiv: 1902.01389 · arxiv_version: 1902.01389v2 · doi: 10.48550/arxiv.1902.01389 · pith_short_12: USO74E6MDOOX · pith_short_16: USO74E6MDOOX3SZX · pith_short_8: USO74E6M

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/USO74E6MDOOX3SZXFMNMA7CXQX \
  | 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: a49dfe13cc1b9d7dcb372b1ac07c5785f77a76c451d928cdf58e4a1dbb910025

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1adeb88dde9725edcf1accefcd58fc307abab8baefadb800d325fac0377108e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2019-02-04T18:57:12Z",
    "title_canon_sha256": "6f0eca751c91f2d03e83a648d11d1c4f3b9238d27698a99fb5e551ce7ac7fbbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01389",
    "kind": "arxiv",
    "version": 2
  }
}