Pith Number

pith:OSPIBW3R

pith:2021:OSPIBW3RYOXQVL5H4H6O6OPQDG

not attested not anchored not stored refs pending

Inference of collective Gaussian hidden Markov models

Rahul Singh, Yongxin Chen

arxiv:2107.11662 v1 · 2021-07-24 · stat.ML · cs.LG · 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{OSPIBW3RYOXQVL5H4H6O6OPQDG}

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	2026-07-05T03:00:36.053016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

749e80db71c3af0aafa7e1fcef39f01998fcfe834383c1fa001f87ed6e871fed

Aliases

arxiv: 2107.11662 · arxiv_version: 2107.11662v1 · doi: 10.48550/arxiv.2107.11662 · pith_short_12: OSPIBW3RYOXQ · pith_short_16: OSPIBW3RYOXQVL5H · pith_short_8: OSPIBW3R

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/OSPIBW3RYOXQVL5H4H6O6OPQDG \
  | 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: 749e80db71c3af0aafa7e1fcef39f01998fcfe834383c1fa001f87ed6e871fed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "310526f4685fb20f6d25c6324768671600022aed6c53157998096181aa666ca9",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SY",
      "eess.SP",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-07-24T17:49:01Z",
    "title_canon_sha256": "5b26d3835fc4fcaeb7ee8e92da3d8b60f64b0d2ed59733e422bfd4cc3b3bf7c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.11662",
    "kind": "arxiv",
    "version": 1
  }
}