Pith. sign in
Pith Number

pith:GPSORXKH

pith:2021:GPSORXKHPA355R7NDDZLM2WCHZ
not attested not anchored not stored refs pending

Hierarchical Motion Understanding via Motion Programs

Alex Aiken, Jiajun Wu, Jiayuan Mao, Sumith Kulal

arxiv:2104.11216 v1 · 2021-04-22 · cs.CV · cs.AI · cs.LG · stat.ML

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GPSORXKHPA355R7NDDZLM2WCHZ}

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 2026-07-05T02:34:18.869236Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

33e4e8dd477837dec7ed18f2b66ac23e6a77cc94a8037ab481fe05b786b69ab8

Aliases

arxiv: 2104.11216 · arxiv_version: 2104.11216v1 · doi: 10.48550/arxiv.2104.11216 · pith_short_12: GPSORXKHPA35 · pith_short_16: GPSORXKHPA355R7N · pith_short_8: GPSORXKH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GPSORXKHPA355R7NDDZLM2WCHZ \
  | 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: 33e4e8dd477837dec7ed18f2b66ac23e6a77cc94a8037ab481fe05b786b69ab8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f755d443783fae246d415b19bba07bfc511a059c44529fe48e525d6c04d2b768",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-22T17:49:59Z",
    "title_canon_sha256": "a03e2dbfd1d45cf7dd303b414a28668c6bad125370bc498fee55c952d99a0d6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11216",
    "kind": "arxiv",
    "version": 1
  }
}