Pith Number

pith:4V2OLPRP

pith:2017:4V2OLPRPRFUPNAHRPTMZV6DLJR

not attested not anchored not stored refs pending

Optimal Control Computation via Evolution Partial Differential Equation with Arbitrary Definite Conditions

En-Mi Yong, Sheng Zhang, Wei-Qi Qian

arxiv:1712.09702 v1 · 2017-12-27 · 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{4V2OLPRPRFUPNAHRPTMZV6DLJR}

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	2026-05-18T00:27:07.571837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e574e5be2f8968f680f17cd99af86b4c56deecf73f903d884abc7bcbcf6bbf62

Aliases

arxiv: 1712.09702 · arxiv_version: 1712.09702v1 · doi: 10.48550/arxiv.1712.09702 · pith_short_12: 4V2OLPRPRFUP · pith_short_16: 4V2OLPRPRFUPNAHR · pith_short_8: 4V2OLPRP

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/4V2OLPRPRFUPNAHRPTMZV6DLJR \
  | 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: e574e5be2f8968f680f17cd99af86b4c56deecf73f903d884abc7bcbcf6bbf62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35c5672db225897cb9065262ca4c8588c748c5c8ec202ba8aad3df563553d041",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-12-27T23:00:02Z",
    "title_canon_sha256": "5f14f855d20eecd36d3d558114fca485e9844ad8562af219f578c34ebda3d0d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09702",
    "kind": "arxiv",
    "version": 1
  }
}