Pith Number

pith:FTDM46UZ

pith:2019:FTDM46UZRZZQPLATN4MRHC5VAE

not attested not anchored not stored refs pending

Diversified Hidden Markov Models for Sequential Labeling

Dacheng Tao, Maoying Qiao, Richard Yida Xu, Wei Bian

arxiv:1904.03170 v1 · 2019-04-05 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTDM46UZRZZQPLATN4MRHC5VAE}

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	2026-05-17T23:49:18.377088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cc6ce7a998e7307ac136f19138bb5010e81f90263778f563c5adfe86b261ef8

Aliases

arxiv: 1904.03170 · arxiv_version: 1904.03170v1 · doi: 10.48550/arxiv.1904.03170 · pith_short_12: FTDM46UZRZZQ · pith_short_16: FTDM46UZRZZQPLAT · pith_short_8: FTDM46UZ

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/FTDM46UZRZZQPLATN4MRHC5VAE \
  | 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: 2cc6ce7a998e7307ac136f19138bb5010e81f90263778f563c5adfe86b261ef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6f9c029ed9fcfe004e1e197ef982097c17e5c5ff7ab09074307789837119162",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-05T17:37:40Z",
    "title_canon_sha256": "5b2a18b3b15356260957b38bbbfa85098aa20eb868853df456181467282c3782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03170",
    "kind": "arxiv",
    "version": 1
  }
}