Pith Number

pith:BXC46R4A

pith:2016:BXC46R4APBSNX4F7PYN4L4IOSW

not attested not anchored not stored refs pending

Necessary and Sufficient Condition for Nonsingular Fisher Information Matrix in ARMA Models

A. Ian McLeod

arxiv:1611.01387 v1 · 2016-11-04 · stat.AP · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXC46R4APBSNX4F7PYN4L4IOSW}

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	2026-05-18T01:00:11.128735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dc5cf47807864dbf0bf7e1bc5f10e9586178e403980c1273dcead47925bbcfd

Aliases

arxiv: 1611.01387 · arxiv_version: 1611.01387v1 · doi: 10.48550/arxiv.1611.01387 · pith_short_12: BXC46R4APBSN · pith_short_16: BXC46R4APBSNX4F7 · pith_short_8: BXC46R4A

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/BXC46R4APBSNX4F7PYN4L4IOSW \
  | 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: 0dc5cf47807864dbf0bf7e1bc5f10e9586178e403980c1273dcead47925bbcfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d02bdc512ca02f8d52370a09746e4d31022839717bc82146e196998b364ca0c",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2016-11-04T14:14:54Z",
    "title_canon_sha256": "7c1a7d06008b5ef5365fde3b24295bcffb9f9a3902c2322c9dfe35c300d89bc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01387",
    "kind": "arxiv",
    "version": 1
  }
}