Pith Number

pith:5IM7G3VC

pith:2016:5IM7G3VCHROTSDX6YRXCLDZOJ3

not attested not anchored not stored refs pending

Unsupervised Neural Hidden Markov Models

Ashish Vaswani, Daniel Marcu, Ke Tran, Kevin Knight, Yonatan Bisk

arxiv:1609.09007 v1 · 2016-09-28 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IM7G3VCHROTSDX6YRXCLDZOJ3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:03:41.418459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea19f36ea23c5d390efec46e258f2e4ec88d49a5d3915e617c923ce452aa84ba

Aliases

arxiv: 1609.09007 · arxiv_version: 1609.09007v1 · doi: 10.48550/arxiv.1609.09007 · pith_short_12: 5IM7G3VCHROT · pith_short_16: 5IM7G3VCHROTSDX6 · pith_short_8: 5IM7G3VC

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/5IM7G3VCHROTSDX6YRXCLDZOJ3 \
  | 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: ea19f36ea23c5d390efec46e258f2e4ec88d49a5d3915e617c923ce452aa84ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a56cf3ead74e1a33e11f0462ff77e51e2c6546dc93700acbb8cfc301b7dc7596",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-09-28T16:55:52Z",
    "title_canon_sha256": "8d39c8c86e07fa784428bc9f4a8fdacb720ec14d7cb72f61d948c171f18a47ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09007",
    "kind": "arxiv",
    "version": 1
  }
}