Pith Number

pith:CPOGDNHF

pith:2022:CPOGDNHF3TLDYK74526ZP6WNSS

not attested not anchored not stored refs pending

The Existence and Uniqueness of Solutions for Kernel-Based System Identification

Mohammad Khosravi, Roy S. Smith

arxiv:2204.08092 v1 · 2022-04-17 · eess.SY · cs.SY · eess.SP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPOGDNHF3TLDYK74526ZP6WNSS}

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	2026-07-05T04:15:21.887820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13dc61b4e5dcd63c2bfceebd97facd94a95b3db1c178ac6d824c87f18b231146

Aliases

arxiv: 2204.08092 · arxiv_version: 2204.08092v1 · doi: 10.48550/arxiv.2204.08092 · pith_short_12: CPOGDNHF3TLD · pith_short_16: CPOGDNHF3TLDYK74 · pith_short_8: CPOGDNHF

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/CPOGDNHF3TLDYK74526ZP6WNSS \
  | 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: 13dc61b4e5dcd63c2bfceebd97facd94a95b3db1c178ac6d824c87f18b231146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cd0f27532802130355b65cbbacb687a69777a51bab0f6e677f526cabad0e0ef",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SP",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2022-04-17T21:52:03Z",
    "title_canon_sha256": "3cb88347051f893c5a3931c5f9eb49381a13b18f3644910a7beda88a415c2ead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.08092",
    "kind": "arxiv",
    "version": 1
  }
}