Pith Number

pith:WLSIJE5W

pith:2018:WLSIJE5WKHSC7SFH6QFGFL4PJW

not attested not anchored not stored refs pending

On Computing the Total Variation Distance of Hidden Markov Models

Stefan Kiefer

arxiv:1804.06170 v1 · 2018-04-17 · cs.FL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLSIJE5WKHSC7SFH6QFGFL4PJW}

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	2026-05-18T00:18:21.524227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2e48493b651e42fc8a7f40a62af8f4da18d52aa68cbca48a694a96b8ea69c57

Aliases

arxiv: 1804.06170 · arxiv_version: 1804.06170v1 · doi: 10.48550/arxiv.1804.06170 · pith_short_12: WLSIJE5WKHSC · pith_short_16: WLSIJE5WKHSC7SFH · pith_short_8: WLSIJE5W

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/WLSIJE5WKHSC7SFH6QFGFL4PJW \
  | 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: b2e48493b651e42fc8a7f40a62af8f4da18d52aa68cbca48a694a96b8ea69c57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "740b0f9ad342539e4207a80b01536d8e2afb23aa20b888790436f485e336945f",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-04-17T11:28:52Z",
    "title_canon_sha256": "affbc426a26e0e05eb4fab1afdd53379219dee43a94ca7400a4db6af0d75a231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06170",
    "kind": "arxiv",
    "version": 1
  }
}