Pith Number

pith:XUOD6YA3

pith:2026:XUOD6YA3AKUI5Q75DBQAH5RQGO

not attested not anchored not stored refs pending

Tensorized algorithms and scalable filtering methods for hidden Markov and factorial hidden Markov models

Ioannis Sgouralis, Roxana Barrios

arxiv:2607.07008 v1 · 2026-07-08 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUOD6YA3AKUI5Q75DBQAH5RQGO}

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	2026-07-09T01:20:12.369463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd1c3f601b02a88ec3fd186003f6303383fd1c0d7837aea40fd9b87b96ae9a6b

Aliases

arxiv: 2607.07008 · arxiv_version: 2607.07008v1 · doi: 10.48550/arxiv.2607.07008 · pith_short_12: XUOD6YA3AKUI · pith_short_16: XUOD6YA3AKUI5Q75 · pith_short_8: XUOD6YA3

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/XUOD6YA3AKUI5Q75DBQAH5RQGO \
  | 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: bd1c3f601b02a88ec3fd186003f6303383fd1c0d7837aea40fd9b87b96ae9a6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07628a3df690bd8a2c656197d1e42ac9f3bd12f59e528d600dd5df3306657c19",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-07-08T05:06:41Z",
    "title_canon_sha256": "56633ed7c60d821216abf281fa9f6c81c011f62bb22e18bb085a5944f8567932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07008",
    "kind": "arxiv",
    "version": 1
  }
}