Pith Number

pith:AZU5NHQE

pith:2015:AZU5NHQEBV477MD3QLUBUKH735

not attested not anchored not stored refs pending

Learning Parametric-Output HMMs with Two Aliased States

Boaz Nadler, Roi Weiss

arxiv:1502.02158 v1 · 2015-02-07 · 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{AZU5NHQEBV477MD3QLUBUKH735}

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	2026-05-18T02:27:43.462415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0669d69e040d79ffb07b82e81a28ffdf599aefecebaa0d6263b992fc1a4fbf49

Aliases

arxiv: 1502.02158 · arxiv_version: 1502.02158v1 · doi: 10.48550/arxiv.1502.02158 · pith_short_12: AZU5NHQEBV47 · pith_short_16: AZU5NHQEBV477MD3 · pith_short_8: AZU5NHQE

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/AZU5NHQEBV477MD3QLUBUKH735 \
  | 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: 0669d69e040d79ffb07b82e81a28ffdf599aefecebaa0d6263b992fc1a4fbf49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9865c9237051e5e910cf5f6fd3be3667e1be4f024af75284a498fe74f911231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-02-07T16:21:28Z",
    "title_canon_sha256": "09aaa601e0a688bddb89aa8aca1d28addfc455b8260c819683ee1bbee7cdd46a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02158",
    "kind": "arxiv",
    "version": 1
  }
}