Pith Number

pith:23ILJVIH

pith:2017:23ILJVIHTYR22RLCW4ASTM3KWE

not attested not anchored not stored refs pending

Estimating Models with High-Order Noise Dynamics Using Semi-Parametric Weighted Null-Space Fitting

Cristian R. Rojas, Hakan Hjalmarsson, Miguel Galrinho

arxiv:1708.03947 v3 · 2017-08-13 · cs.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{23ILJVIHTYR22RLCW4ASTM3KWE}

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	2026-05-18T00:06:25.501629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6d0b4d5079e23ad4562b70129b36ab12bfff8cd62cb4dfb82f6f5cd0a3e546b

Aliases

arxiv: 1708.03947 · arxiv_version: 1708.03947v3 · doi: 10.48550/arxiv.1708.03947 · pith_short_12: 23ILJVIHTYR2 · pith_short_16: 23ILJVIHTYR22RLC · pith_short_8: 23ILJVIH

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/23ILJVIHTYR22RLCW4ASTM3KWE \
  | 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: d6d0b4d5079e23ad4562b70129b36ab12bfff8cd62cb4dfb82f6f5cd0a3e546b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b320ba0d93ccac6c51b80485c606a57f64488325cb77906bb20daf52eba751ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-08-13T18:02:00Z",
    "title_canon_sha256": "3565c2f5244fca88342e7121a61a72ab5009d2d072250225b70126501ebe9d04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03947",
    "kind": "arxiv",
    "version": 3
  }
}