Pith Number

pith:QSE6M3IJ

pith:2017:QSE6M3IJDUPGGGNQW4EYGGF62B

not attested not anchored not stored refs pending

A Variation Evolving Method for Optimal Control

En-Mi Yong, Kai-Feng He, Sheng Zhang, Wei-Qi Qian

arxiv:1703.10263 v2 · 2017-03-29 · 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{QSE6M3IJDUPGGGNQW4EYGGF62B}

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	2026-05-18T00:46:46.117540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8489e66d091d1e6319b0b7098318bed06ec5f46be710c19d0b64a14bb5e79d4f

Aliases

arxiv: 1703.10263 · arxiv_version: 1703.10263v2 · doi: 10.48550/arxiv.1703.10263 · pith_short_12: QSE6M3IJDUPG · pith_short_16: QSE6M3IJDUPGGGNQ · pith_short_8: QSE6M3IJ

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/QSE6M3IJDUPGGGNQW4EYGGF62B \
  | 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: 8489e66d091d1e6319b0b7098318bed06ec5f46be710c19d0b64a14bb5e79d4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "852a19fdeaab5d0caffe881e799364dfe51f692b0d159a63a956900cd9d3ffbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-03-29T23:17:33Z",
    "title_canon_sha256": "2c00d3b5ea127ed7611f282c558c15848906bfe44b90a309756eee4c381029cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10263",
    "kind": "arxiv",
    "version": 2
  }
}