Pith Number

pith:U6L3PHCY

pith:2011:U6L3PHCYYCHQWVOLSYQ5YLTPJ7

not attested not anchored not stored refs pending

Hierarchical Hidden Markov Model in Detecting Activities of Daily Living in Wearable Videos for Studies of Dementia

Jean-Fran\c{c}ois Dartigues, Jenny Benois-Pineau (LaBRI), Julien Pinquier (IRIT), R\'egine Andr\'e-Obrecht (IRIT), R\'emi M\'egret (IMS), Svebor Karaman (LaBRI), Vladislavs Dovgalecs (IMS), Yann Ga\"estel (ISPED)

arxiv:1111.1817 v2 · 2011-11-08 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6L3PHCYYCHQWVOLSYQ5YLTPJ7}

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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	2026-05-18T02:51:57.325055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a797b79c58c08f0b55cb9621dc2e6f4fd1c6d82f632e520d7c86716cc5ac02a6

Aliases

arxiv: 1111.1817 · arxiv_version: 1111.1817v2 · doi: 10.48550/arxiv.1111.1817 · pith_short_12: U6L3PHCYYCHQ · pith_short_16: U6L3PHCYYCHQWVOL · pith_short_8: U6L3PHCY

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/U6L3PHCYYCHQWVOLSYQ5YLTPJ7 \
  | 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: a797b79c58c08f0b55cb9621dc2e6f4fd1c6d82f632e520d7c86716cc5ac02a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a73f0b0478b8a3829c68595c5958ee60668cec9fd75cc66d6e37855a7f44a23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2011-11-08T07:53:29Z",
    "title_canon_sha256": "6c80be614decea472200edc50e465365947a53235e425eae41abc2ce72eba286"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1817",
    "kind": "arxiv",
    "version": 2
  }
}