Pith Number

pith:3T2DIA7A

pith:2020:3T2DIA7AT32D4HAZD2CBA5OJDB

not attested not anchored not stored refs pending

Subspace Identification of Linear Time-Periodic Systems with Periodic Inputs

Andrea Iannelli, Mingzhou Yin, Roy S. Smith

arxiv:2006.03838 v1 · 2020-06-06 · eess.SY · 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{3T2DIA7AT32D4HAZD2CBA5OJDB}

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	2026-07-05T01:48:10.107375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcf43403e09ef43e1c191e841075c9187ff00cfd715f72978c903881cdcfd393

Aliases

arxiv: 2006.03838 · arxiv_version: 2006.03838v1 · doi: 10.48550/arxiv.2006.03838 · pith_short_12: 3T2DIA7AT32D · pith_short_16: 3T2DIA7AT32D4HAZ · pith_short_8: 3T2DIA7A

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/3T2DIA7AT32D4HAZD2CBA5OJDB \
  | 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: dcf43403e09ef43e1c191e841075c9187ff00cfd715f72978c903881cdcfd393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "930a4732b5843c58b91014b531c8de702d6368128c5dbdac256acbaae7162457",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-06-06T10:37:57Z",
    "title_canon_sha256": "4142d8221f042a64835be34732e90883b9878e6573e585f75ee8b7377b951593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.03838",
    "kind": "arxiv",
    "version": 1
  }
}