Pith Number

pith:33N7R6CW

pith:2012:33N7R6CW4JLYRU6NE5VZQDA75U

not attested not anchored not stored refs pending

Measuring the Influence of Observations in HMMs through the Kullback-Leibler Distance

Gregory Nuel, Vittorio Perduca

arxiv:1210.2613 v2 · 2012-10-09 · cs.IT · cs.LG · math.IT · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33N7R6CW4JLYRU6NE5VZQDA75U}

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	2026-05-18T01:54:04.070349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dedbf8f856e25788d3cd276b980c1fed1ecf7352d9bb0d70f27f487113edf2da

Aliases

arxiv: 1210.2613 · arxiv_version: 1210.2613v2 · doi: 10.48550/arxiv.1210.2613 · pith_short_12: 33N7R6CW4JLY · pith_short_16: 33N7R6CW4JLYRU6N · pith_short_8: 33N7R6CW

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/33N7R6CW4JLYRU6NE5VZQDA75U \
  | 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: dedbf8f856e25788d3cd276b980c1fed1ecf7352d9bb0d70f27f487113edf2da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0ec77cfc5ccba81456089fe07a2c3bacfa2551b4c60b3a1d14000e973b712e5",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-10-09T14:30:51Z",
    "title_canon_sha256": "b3c21a9eb2c6a993a9011727820d3663c9a29493ee8a1beaea180b5fc64b9e37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2613",
    "kind": "arxiv",
    "version": 2
  }
}