Pith Number

pith:62AQS4NZ

pith:2018:62AQS4NZ6P4WEWT553HHX2Y2SP

not attested not anchored not stored refs pending

Learning Without Mixing: Towards A Sharp Analysis of Linear System Identification

Benjamin Recht, Horia Mania, Max Simchowitz, Michael I. Jordan, Stephen Tu

arxiv:1802.08334 v4 · 2018-02-22 · cs.LG · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{62AQS4NZ6P4WEWT553HHX2Y2SP}

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	2026-05-18T00:15:04.885432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6810971b9f3f9625a7deece7beb1a93dc15f6e66970a36019a25804c1773dc8

Aliases

arxiv: 1802.08334 · arxiv_version: 1802.08334v4 · doi: 10.48550/arxiv.1802.08334 · pith_short_12: 62AQS4NZ6P4W · pith_short_16: 62AQS4NZ6P4WEWT5 · pith_short_8: 62AQS4NZ

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/62AQS4NZ6P4WEWT553HHX2Y2SP \
  | 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: f6810971b9f3f9625a7deece7beb1a93dc15f6e66970a36019a25804c1773dc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87d3abf8f8e5cbc7183ffd98c08742be606eba8ac0370ed347f9b95a46f1ff8b",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-22T22:48:11Z",
    "title_canon_sha256": "72586030f1de1d2f5883bf6b7fe8e6d3bf165b36e0e02cac01b9c831bdbd89ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08334",
    "kind": "arxiv",
    "version": 4
  }
}