Pith Number

pith:WRU44IQJ

pith:2016:WRU44IQJ7QJ2DZDA5IFWC6OCIE

not attested not anchored not stored refs pending

Laplacian LRR on Product Grassmann Manifolds for Human Activity Clustering in Multi-Camera Video Surveillance

Baocai Yin, Boyue Wang, Junbin Gao, Yanfeng Sun, Yongli Hu

arxiv:1606.03838 v1 · 2016-06-13 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRU44IQJ7QJ2DZDA5IFWC6OCIE}

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	2026-05-18T01:12:32.932234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b469ce2209fc13a1e460ea0b6179c24118d578b83b4fda1420a059ee177483a6

Aliases

arxiv: 1606.03838 · arxiv_version: 1606.03838v1 · doi: 10.48550/arxiv.1606.03838 · pith_short_12: WRU44IQJ7QJ2 · pith_short_16: WRU44IQJ7QJ2DZDA · pith_short_8: WRU44IQJ

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/WRU44IQJ7QJ2DZDA5IFWC6OCIE \
  | 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: b469ce2209fc13a1e460ea0b6179c24118d578b83b4fda1420a059ee177483a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34b7296fb27c84da3e13326f32dd7fb2422eedfa85f4b9306adf670bb070ad93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-06-13T07:09:39Z",
    "title_canon_sha256": "de220b642174cbfb3fe5b872047223f1b5119e5bd43cf9eb119611c58e6633fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.03838",
    "kind": "arxiv",
    "version": 1
  }
}