Pith Number

pith:UZOI3V6O

pith:2018:UZOI3V6OMIGWUSVYE2CQHOBGSB

not attested not anchored not stored refs pending

Optimized Hidden Markov Model based on Constrained Particle Swarm Optimization

Abdelaziz Bouras (DISP), Antoine Nongaillard (DISP), L. Chang, Yacine Ouzrout (DISP)

arxiv:1811.03450 v1 · 2018-11-07 · 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{UZOI3V6OMIGWUSVYE2CQHOBGSB}

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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	2026-05-18T00:01:16.148290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a65c8dd7ce620d6a4ab8268503b8269069d5ce9f1fc182fa9fac1d6b71991959

Aliases

arxiv: 1811.03450 · arxiv_version: 1811.03450v1 · doi: 10.48550/arxiv.1811.03450 · pith_short_12: UZOI3V6OMIGW · pith_short_16: UZOI3V6OMIGWUSVY · pith_short_8: UZOI3V6O

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/UZOI3V6OMIGWUSVYE2CQHOBGSB \
  | 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: a65c8dd7ce620d6a4ab8268503b8269069d5ce9f1fc182fa9fac1d6b71991959

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab448430844792b370da478b01cd82f28937569564b080ce46e2591dcb8e5f0c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-11-07T09:53:16Z",
    "title_canon_sha256": "3aefc9dc42fa37e4373e45422096b73e62fd70b2a45b4adb74cf3f1957419fdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03450",
    "kind": "arxiv",
    "version": 1
  }
}