Pith Number

pith:CYIBUTTF

pith:2011:CYIBUTTFS543DITFMFNUDIJQPO

not attested not anchored not stored refs pending

Evidence Feed Forward Hidden Markov Model: A New Type of Hidden Markov Model

Christian Wagner, Michael DelRose, Philip Frederick

arxiv:1102.0899 v1 · 2011-02-04 · cs.AI · cs.CV · cs.LG · math.NA · 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{CYIBUTTFS543DITFMFNUDIJQPO}

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	2026-05-18T04:30:03.425824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16101a4e659779b1a265615b41a1307baa78ba2ac794eb518b600ab1496610f9

Aliases

arxiv: 1102.0899 · arxiv_version: 1102.0899v1 · doi: 10.48550/arxiv.1102.0899 · pith_short_12: CYIBUTTFS543 · pith_short_16: CYIBUTTFS543DITF · pith_short_8: CYIBUTTF

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/CYIBUTTFS543DITFMFNUDIJQPO \
  | 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: 16101a4e659779b1a265615b41a1307baa78ba2ac794eb518b600ab1496610f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaac744c05080fcbc69e7f0b67c6bb1ef78deb2f8809b7237c343d0ed708394a",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "math.NA",
      "math.PR"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-02-04T13:00:06Z",
    "title_canon_sha256": "19a6c5c196d437d3110eb701ac90eb281a059e78dcb48d7498a9b211a4722d6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0899",
    "kind": "arxiv",
    "version": 1
  }
}