Pith Number

pith:H7I7MRWP

pith:2019:H7I7MRWP22SPD7QXPQLJKOJTR4

not attested not anchored not stored refs pending

Max-plus Linear Inverse Problems: 2-norm regression and system identification of max-plus linear dynamical systems with Gaussian noise

James Hook

arxiv:1902.08194 v1 · 2019-02-21 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7I7MRWP22SPD7QXPQLJKOJTR4}

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	2026-05-17T23:52:58.013843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fd1f646cfd6a4f1fe177c169539338f2ac16079e153d19915ac01aac66ad867

Aliases

arxiv: 1902.08194 · arxiv_version: 1902.08194v1 · doi: 10.48550/arxiv.1902.08194 · pith_short_12: H7I7MRWP22SP · pith_short_16: H7I7MRWP22SPD7QX · pith_short_8: H7I7MRWP

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/H7I7MRWP22SPD7QXPQLJKOJTR4 \
  | 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: 3fd1f646cfd6a4f1fe177c169539338f2ac16079e153d19915ac01aac66ad867

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "322a5ebf58d582042b81b685bcd64d95e8b2406a0c6ec79cff8ab944382c7fbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-21T09:46:57Z",
    "title_canon_sha256": "493d2727a037dc31238af702a0b17abda11d43c2193cd54c986a7f8bf8ac31ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08194",
    "kind": "arxiv",
    "version": 1
  }
}