Pith Number

pith:ORX5MT4I

pith:2013:ORX5MT4INGOBWRH7VV7W3P4JR6

not attested not anchored not stored refs pending

Finite state space non parametric Hidden Markov Models are in general identifiable

Alice Cleynen, Elisabeth Gassiat, St\'ephane Robin

arxiv:1306.4657 v1 · 2013-06-19 · 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{ORX5MT4INGOBWRH7VV7W3P4JR6}

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	2026-05-18T03:20:33.500761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

746fd64f88699c1b44ffad7f6dbf898fb3318d623c92bb945d3c99fc61828dbc

Aliases

arxiv: 1306.4657 · arxiv_version: 1306.4657v1 · doi: 10.48550/arxiv.1306.4657 · pith_short_12: ORX5MT4INGOB · pith_short_16: ORX5MT4INGOBWRH7 · pith_short_8: ORX5MT4I

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/ORX5MT4INGOBWRH7VV7W3P4JR6 \
  | 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: 746fd64f88699c1b44ffad7f6dbf898fb3318d623c92bb945d3c99fc61828dbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3955f43461f2978a7b46a0872c1070862062ce0725e08dac6ce803d31938f78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-06-19T19:37:53Z",
    "title_canon_sha256": "f2c6152d129bcdf1e1b0b8b3d14751b4f90a1cd375d643592dd863bdcba90654"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4657",
    "kind": "arxiv",
    "version": 1
  }
}