Pith Number

pith:V2TDPZL4

pith:2014:V2TDPZL4FZI3KM6KB6QYTFCM73

not attested not anchored not stored refs pending

Maximum Entropy Kernels for System Identification

Francesca Paola Carli, Lennart Ljung, Tianshi Chen

arxiv:1411.5620 v2 · 2014-11-20 · math.OC · cs.IT · math.IT · 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{V2TDPZL4FZI3KM6KB6QYTFCM73}

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	2026-05-18T00:58:11.218211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aea637e57c2e51b533ca0fa189944cfecd2cf24104bbb17bd7570cdbaef67207

Aliases

arxiv: 1411.5620 · arxiv_version: 1411.5620v2 · doi: 10.48550/arxiv.1411.5620 · pith_short_12: V2TDPZL4FZI3 · pith_short_16: V2TDPZL4FZI3KM6K · pith_short_8: V2TDPZL4

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/V2TDPZL4FZI3KM6KB6QYTFCM73 \
  | 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: aea637e57c2e51b533ca0fa189944cfecd2cf24104bbb17bd7570cdbaef67207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43f2e30fc144451d8e88107b30735f985bba69b83148e1b7567e28f63382cfa8",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-11-20T17:38:53Z",
    "title_canon_sha256": "20abb8a0158e1b9d3144c4a0361678e28857f36d917e4be3b59751861a73639a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5620",
    "kind": "arxiv",
    "version": 2
  }
}