Pith Number

pith:IX2A4VTM

pith:2017:IX2A4VTML36KENS3J2UE7CKRIZ

not attested not anchored not stored refs pending

Computation of time-optimal control problem with variation evolution principle

Sheng Zhang, Wei-Qi Qian

arxiv:1711.02998 v1 · 2017-11-06 · 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{IX2A4VTML36KENS3J2UE7CKRIZ}

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	2026-05-18T00:31:01.120413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45f40e566c5efca2365b4ea84f895146645723bfb0480ae605aea1d0da257597

Aliases

arxiv: 1711.02998 · arxiv_version: 1711.02998v1 · doi: 10.48550/arxiv.1711.02998 · pith_short_12: IX2A4VTML36K · pith_short_16: IX2A4VTML36KENS3 · pith_short_8: IX2A4VTM

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/IX2A4VTML36KENS3J2UE7CKRIZ \
  | 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: 45f40e566c5efca2365b4ea84f895146645723bfb0480ae605aea1d0da257597

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04d4613f07ea9f8ea7a70c141a3a4acd3cfb84942d2b7093599a7129341992f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-11-06T23:03:49Z",
    "title_canon_sha256": "ea961d43af8c02869743e70eb231c5e32d2e8c8c3a31ab5fa1e9e5428f9d083a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02998",
    "kind": "arxiv",
    "version": 1
  }
}