Pith Number

pith:NWYTOIFS

pith:2019:NWYTOIFSSKRLQU4MZRYRQIHIAE

not attested not anchored not stored refs pending

Numerical Gaussian process Kalman filtering

Armin K\"uper, Steffen Waldherr

arxiv:1912.01234 v2 · 2019-12-03 · stat.ML · cs.LG · eess.SP · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NWYTOIFSSKRLQU4MZRYRQIHIAE}

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	2026-07-05T01:01:37.301229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6db13720b292a2b8538ccc711820e80112c2b9b2ef18f1832f1c6077a6af0c5a

Aliases

arxiv: 1912.01234 · arxiv_version: 1912.01234v2 · doi: 10.48550/arxiv.1912.01234 · pith_short_12: NWYTOIFSSKRL · pith_short_16: NWYTOIFSSKRLQU4M · pith_short_8: NWYTOIFS

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/NWYTOIFSSKRLQU4MZRYRQIHIAE \
  | 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: 6db13720b292a2b8538ccc711820e80112c2b9b2ef18f1832f1c6077a6af0c5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c899c27b0494b2483271cbb95a2701735b012f2fbba7b243e307475cfef451",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-12-03T08:09:27Z",
    "title_canon_sha256": "7d247cbd1db5e6ec582acb85dc92ed64800e73a44a76854645690c9dbc0b7078"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01234",
    "kind": "arxiv",
    "version": 2
  }
}