Pith Number

pith:DKALFNQM

pith:2021:DKALFNQMS2ZJDPCY4IKDBSXTPW

not attested not anchored not stored refs pending

A General Approach to Robust Controller Analysis and Synthesis

Shih-Hao Tseng

arxiv:2103.13650 v2 · 2021-03-25 · math.OC · cs.SY · eess.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{DKALFNQMS2ZJDPCY4IKDBSXTPW}

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	2026-07-05T03:55:47.258240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a80b2b60c96b291bc58e21430caf37dbe15bb7848c63b8adb0d8763b131f8b4

Aliases

arxiv: 2103.13650 · arxiv_version: 2103.13650v2 · doi: 10.48550/arxiv.2103.13650 · pith_short_12: DKALFNQMS2ZJ · pith_short_16: DKALFNQMS2ZJDPCY · pith_short_8: DKALFNQM

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/DKALFNQMS2ZJDPCY4IKDBSXTPW \
  | 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: 1a80b2b60c96b291bc58e21430caf37dbe15bb7848c63b8adb0d8763b131f8b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c5a301132b94caae5ba399d0f354c7b9d6598fbd8ffc2e56226b7e90046b868",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-03-25T07:54:29Z",
    "title_canon_sha256": "9964e00aeaff7b1323553cca34c9377071e60c2c7fef391fe16026563c45144b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13650",
    "kind": "arxiv",
    "version": 2
  }
}