Pith Number

pith:GYV5EAYS

pith:2016:GYV5EAYSXJXARWGVYU22LHV66Z

not attested not anchored not stored refs pending

The Partially Observable Hidden Markov Model and its Application to Keystroke Dynamics

Charles C. Tappert, John V. Monaco

arxiv:1607.03854 v7 · 2016-07-13 · cs.IT · cs.CR · math.IT · 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{GYV5EAYSXJXARWGVYU22LHV66Z}

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	2026-05-18T00:30:11.745837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

362bd20312ba6e08d8d5c535a59ebef67bb2565081518a5d9bbbd49902511a54

Aliases

arxiv: 1607.03854 · arxiv_version: 1607.03854v7 · doi: 10.48550/arxiv.1607.03854 · pith_short_12: GYV5EAYSXJXA · pith_short_16: GYV5EAYSXJXARWGV · pith_short_8: GYV5EAYS

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/GYV5EAYSXJXARWGVYU22LHV66Z \
  | 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: 362bd20312ba6e08d8d5c535a59ebef67bb2565081518a5d9bbbd49902511a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d2a8c37cf17c52aa27122641befbd00a39ef1c80aa6c964011b29746a48f0fe",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-07-13T18:30:33Z",
    "title_canon_sha256": "1dca8fcaf55ebed2268c6037835daea71f323901ba11588994d417c5b41a1453"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03854",
    "kind": "arxiv",
    "version": 7
  }
}