Pith Number

pith:IXGTL3LZ

pith:2018:IXGTL3LZB2KWTZGVXO4ZNKJ42S

not attested not anchored not stored refs pending

On the state space and dynamics selection in linear stochastic models: a spectral factorization approach

Augusto Ferrante, Giorgio Picci

arxiv:1802.00253 v1 · 2018-02-01 · 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{IXGTL3LZB2KWTZGVXO4ZNKJ42S}

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	2026-05-18T00:24:36.418774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45cd35ed790e9569e4d5bbb996a93cd494ec58c642d461e548f34e07a8cb1a2b

Aliases

arxiv: 1802.00253 · arxiv_version: 1802.00253v1 · doi: 10.48550/arxiv.1802.00253 · pith_short_12: IXGTL3LZB2KW · pith_short_16: IXGTL3LZB2KWTZGV · pith_short_8: IXGTL3LZ

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/IXGTL3LZB2KWTZGVXO4ZNKJ42S \
  | 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: 45cd35ed790e9569e4d5bbb996a93cd494ec58c642d461e548f34e07a8cb1a2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "238af81a3fd3625fc43202461cafc821719ffb1472c16b6b4ff63267f8ada2b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-02-01T11:54:03Z",
    "title_canon_sha256": "8407567a306f452b480a12f5d4f087f37c686091a74e14276e64227a88f923e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00253",
    "kind": "arxiv",
    "version": 1
  }
}