Pith Number

pith:UARFVBCI

pith:2021:UARFVBCIRZMGDON64N2VFOVSGP

not attested not anchored not stored refs pending

On Robustness of Kernel-Based Regularized System Identification

Mohammad Khosravi, Roy S. Smith

arxiv:2105.12516 v1 · 2021-05-26 · math.OC · cs.SY · eess.SP · eess.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{UARFVBCIRZMGDON64N2VFOVSGP}

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	2026-07-05T02:43:39.792267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0225a84488e5861b9bee37552bab233d65d0ea741bd871d6673b2d4c7cd4683

Aliases

arxiv: 2105.12516 · arxiv_version: 2105.12516v1 · doi: 10.48550/arxiv.2105.12516 · pith_short_12: UARFVBCIRZMG · pith_short_16: UARFVBCIRZMGDON6 · pith_short_8: UARFVBCI

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/UARFVBCIRZMGDON64N2VFOVSGP \
  | 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: a0225a84488e5861b9bee37552bab233d65d0ea741bd871d6673b2d4c7cd4683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de440221ea0e9ef1b6665c7f74e99bb4cb41aec896c677f708bcb1b27fa25b63",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SP",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-05-26T12:33:56Z",
    "title_canon_sha256": "92a553582fc8fd94e349ac6383b7798fe9f542c6042a08cea99b18a36fa0e7e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.12516",
    "kind": "arxiv",
    "version": 1
  }
}