pith. sign in
Pith Number

pith:XSLLIBVA

pith:2021:XSLLIBVAU4TYGG6IFVNIPL4MY3
not attested not anchored not stored refs pending

Unsupervised Discriminative Embedding for Sub-Action Learning in Complex Activities

Hilde Kuehne, Mubarak Shah, Sirnam Swetha, Yogesh S Rawat

arxiv:2105.00067 v1 · 2021-04-30 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XSLLIBVAU4TYGG6IFVNIPL4MY3}

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 2026-07-05T02:36:33.537491Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bc96b406a0a727831bc82d5a87af8cc6f84623b8d62d0a2904a5f8a013b1304a

Aliases

arxiv: 2105.00067 · arxiv_version: 2105.00067v1 · doi: 10.48550/arxiv.2105.00067 · pith_short_12: XSLLIBVAU4TY · pith_short_16: XSLLIBVAU4TYGG6I · pith_short_8: XSLLIBVA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XSLLIBVAU4TYGG6IFVNIPL4MY3 \
  | 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: bc96b406a0a727831bc82d5a87af8cc6f84623b8d62d0a2904a5f8a013b1304a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "89dfb400ce7989725cb0c86d1cb608cc1e3d2ee5ca7b744b84edc948718dfe0c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-30T20:07:27Z",
    "title_canon_sha256": "89077f1d4ba8f4c20b431184603440d98162fe132d6330ec9912a77d2415c8fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00067",
    "kind": "arxiv",
    "version": 1
  }
}