Pith Number

pith:IYOS2ANT

pith:2015:IYOS2ANTBYCBF2KZZP27IF3EG5

not attested not anchored not stored refs pending

Detecting Falls with X-Factor Hidden Markov Models

Dana Kulic, Jesse Hoey, Michelle E. Karg, Shehroz S. Khan

arxiv:1504.02141 v5 · 2015-04-08 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYOS2ANTBYCBF2KZZP27IF3EG5}

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	2026-05-18T00:24:40.144513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

461d2d01b30e0412e959cbf5f417643750f0293c7cc4bd1b0d5b9b5e37c5dc99

Aliases

arxiv: 1504.02141 · arxiv_version: 1504.02141v5 · doi: 10.48550/arxiv.1504.02141 · pith_short_12: IYOS2ANTBYCB · pith_short_16: IYOS2ANTBYCBF2KZ · pith_short_8: IYOS2ANT

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/IYOS2ANTBYCBF2KZZP27IF3EG5 \
  | 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: 461d2d01b30e0412e959cbf5f417643750f0293c7cc4bd1b0d5b9b5e37c5dc99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6fd42d08ea58bbc4bdade3c71c651a049693a8ccb4769958934eb08e4ba6f3c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-04-08T22:02:27Z",
    "title_canon_sha256": "91b60903997e8461e2c15c2ec82a801cd8bd026515b3b3e9aaf057940015eff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02141",
    "kind": "arxiv",
    "version": 5
  }
}