Pith Number

pith:VS4TRW6P

pith:2013:VS4TRW6PQKB47JWXQ5MSKCHDDU

not attested not anchored not stored refs pending

Multiple Hidden Markov Models for Categorical Time Series

Roberto Colombi, Sabrina Giordano

arxiv:1309.3895 v1 · 2013-09-16 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VS4TRW6PQKB47JWXQ5MSKCHDDU}

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	2026-05-18T03:13:11.961772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acb938dbcf8283cfa6d787592508e31d20188117a2f3fc9cfbb1c3fef4a461ed

Aliases

arxiv: 1309.3895 · arxiv_version: 1309.3895v1 · doi: 10.48550/arxiv.1309.3895 · pith_short_12: VS4TRW6PQKB4 · pith_short_16: VS4TRW6PQKB47JWX · pith_short_8: VS4TRW6P

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/VS4TRW6PQKB47JWXQ5MSKCHDDU \
  | 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: acb938dbcf8283cfa6d787592508e31d20188117a2f3fc9cfbb1c3fef4a461ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc5d4a20a70cd457dd2beaa6e8121d5f836e75b6b8ac8b3428250e8861b07798",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-09-16T10:46:58Z",
    "title_canon_sha256": "0e495099e4a814a2558b31e1c17eaf434e82d9da38ff088f0ea23c8b36ede7a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3895",
    "kind": "arxiv",
    "version": 1
  }
}