Pith Number

pith:Q4ND2I62

pith:2018:Q4ND2I62VFKETUUMXI6VYGZSZE

not attested not anchored not stored refs pending

Retrofit Control with Approximate Environment Modeling

Hampei Sasahara, Jun-ichi Imura, Takahiro Kawaguchi, Takayuki Ishizaki

arxiv:1810.01141 v1 · 2018-10-02 · cs.SY · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4ND2I62VFKETUUMXI6VYGZSZE}

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	2026-05-17T23:39:32.188746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

871a3d23daa95449d28cba3d5c1b32c93ecdf1ff6b13fd0d31cede47c7a70040

Aliases

arxiv: 1810.01141 · arxiv_version: 1810.01141v1 · doi: 10.48550/arxiv.1810.01141 · pith_short_12: Q4ND2I62VFKE · pith_short_16: Q4ND2I62VFKETUUM · pith_short_8: Q4ND2I62

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/Q4ND2I62VFKETUUMXI6VYGZSZE \
  | 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: 871a3d23daa95449d28cba3d5c1b32c93ecdf1ff6b13fd0d31cede47c7a70040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d0ee2deb24deb52021c55e131efcf0ebbaa9ebe51d57296891490f4baab4424",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-10-02T09:47:03Z",
    "title_canon_sha256": "8d6abedacd4884fa347912533ff667b0749dea9e0c01ccc51435498a33f676a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01141",
    "kind": "arxiv",
    "version": 1
  }
}