Pith Number

pith:6CCK26GY

pith:2026:6CCK26GYJD7Q7HCYUOKJR3CX7X

not attested not anchored not stored refs pending

libhmm: A Modern C++20 Library for Hidden Markov Models with Correct MLE Emission M-Steps

Gary Wolfman

arxiv:2605.29208 v1 · 2026-05-28 · cs.MS · 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{6CCK26GYJD7Q7HCYUOKJR3CX7X}

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	2026-05-29T01:05:24.348166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f084ad78d848ff0f9c58a39498ec57fdd5c4a0d515979d2a5b44384f31d8695f

Aliases

arxiv: 2605.29208 · arxiv_version: 2605.29208v1 · doi: 10.48550/arxiv.2605.29208 · pith_short_12: 6CCK26GYJD7Q · pith_short_16: 6CCK26GYJD7Q7HCY · pith_short_8: 6CCK26GY

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/6CCK26GYJD7Q7HCYUOKJR3CX7X \
  | 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: f084ad78d848ff0f9c58a39498ec57fdd5c4a0d515979d2a5b44384f31d8695f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d04dc6ef3a0d7edbd2874ae012c5a8acbe3acc6de774a5be874b2077ccf8a1ff",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2026-05-28T00:42:19Z",
    "title_canon_sha256": "ab69313760d0247efcf0211b5a9dc032ad99d9c0f64e5e0488dd83c942171227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29208",
    "kind": "arxiv",
    "version": 1
  }
}