Pith Number

pith:ZLYUXPYX

pith:2011:ZLYUXPYXCZ3BE2EZ37MECWSJOA

not attested not anchored not stored refs pending

Latent Semantic Learning with Structured Sparse Representation for Human Action Recognition

Yuxin Peng, Zhiwu Lu

arxiv:1109.4979 v1 · 2011-09-23 · cs.MM · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLYUXPYXCZ3BE2EZ37MECWSJOA}

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	2026-05-18T02:21:36.362773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caf14bbf171676126899dfd8415a4970386b507cddd7ae1166ba3a6213f3c1a2

Aliases

arxiv: 1109.4979 · arxiv_version: 1109.4979v1 · doi: 10.48550/arxiv.1109.4979 · pith_short_12: ZLYUXPYXCZ3B · pith_short_16: ZLYUXPYXCZ3BE2EZ · pith_short_8: ZLYUXPYX

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/ZLYUXPYXCZ3BE2EZ37MECWSJOA \
  | 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: caf14bbf171676126899dfd8415a4970386b507cddd7ae1166ba3a6213f3c1a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fb6830224c36c75e121f9df5a0c317cee43b06120f5f790ce6db3c9ce8c106a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2011-09-23T00:39:51Z",
    "title_canon_sha256": "dc2e8d70bae985cfa12aa83f9ca90eb9dead6fcddaf4e402dee6205fbb0e44bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4979",
    "kind": "arxiv",
    "version": 1
  }
}