Pith Number

pith:XIN7YRO2

pith:2015:XIN7YRO2U2G4YR4L2XFUWJG6RC

not attested not anchored not stored refs pending

Marimba: A Tool for Verifying Properties of Hidden Markov Models

David A. Rosenblueth, Evgeni Magid, Jesus Savage, Kerstin Eder, Noe Hernandez

arxiv:1507.05597 v2 · 2015-07-20 · cs.LO · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIN7YRO2U2G4YR4L2XFUWJG6RC}

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	2026-05-18T01:28:38.103604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba1bfc45daa68dcc478bd5cb4b24de889832f47ff20f54c6428150aee508d3e4

Aliases

arxiv: 1507.05597 · arxiv_version: 1507.05597v2 · doi: 10.48550/arxiv.1507.05597 · pith_short_12: XIN7YRO2U2G4 · pith_short_16: XIN7YRO2U2G4YR4L · pith_short_8: XIN7YRO2

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/XIN7YRO2U2G4YR4L2XFUWJG6RC \
  | 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: ba1bfc45daa68dcc478bd5cb4b24de889832f47ff20f54c6428150aee508d3e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d53f627d3e1ab96a3f6eb067e841010bf3af8e5c358b18b0dd3859ca7f377970",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-07-20T19:17:13Z",
    "title_canon_sha256": "ca7da830b61377250cd27c0da79fbd13065db8d90c14829ea887e4f6c7e41428"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05597",
    "kind": "arxiv",
    "version": 2
  }
}