Pith Number

pith:77LTBSNW

pith:2019:77LTBSNWQCDW7XSEKY6KMO6RKR

not attested not anchored not stored refs pending

Convexity and monotonicity in nonlinear optimal control under uncertainty

Kevin J. Kircher, K. Max Zhang

arxiv:1904.00987 v1 · 2019-04-01 · math.OC · 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{77LTBSNWQCDW7XSEKY6KMO6RKR}

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	2026-05-17T23:49:44.705506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffd730c9b680876fde44563ca63bd154785723c9777dc2c0c75ef21efda3552f

Aliases

arxiv: 1904.00987 · arxiv_version: 1904.00987v1 · doi: 10.48550/arxiv.1904.00987 · pith_short_12: 77LTBSNWQCDW · pith_short_16: 77LTBSNWQCDW7XSE · pith_short_8: 77LTBSNW

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/77LTBSNWQCDW7XSEKY6KMO6RKR \
  | 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: ffd730c9b680876fde44563ca63bd154785723c9777dc2c0c75ef21efda3552f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fdc31fb494fe130f4241f304b9828a840b48d50dd6946fbdc3dc81754b7c452",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-04-01T17:51:34Z",
    "title_canon_sha256": "61f3a622ec2799d8c4f60423da73bb9368f9744b1a000d46b712d9a59e18b539"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00987",
    "kind": "arxiv",
    "version": 1
  }
}