Pith. sign in
Pith Number

pith:4544WAX2

pith:2026:4544WAX2DO2DL7GHMHZG6YZKZW
not attested not anchored not stored refs pending

Hierarchical Flow Matching for 3D Point Cloud Generation

Hao Wang, Linhao Wang, Qichang Zhang, Ye Su

arxiv:2608.05557 v1 · 2026-08-06 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4544WAX2DO2DL7GHMHZG6YZKZW}

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 2026-08-07T00:49:06.990379Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e779cb02fa1bb435fcc761f26f632acd8bd6932b6b1c83a424284ebb101aafd7

Aliases

arxiv: 2608.05557 · arxiv_version: 2608.05557v1 · doi: 10.48550/arxiv.2608.05557 · pith_short_12: 4544WAX2DO2D · pith_short_16: 4544WAX2DO2DL7GH · pith_short_8: 4544WAX2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4544WAX2DO2DL7GHMHZG6YZKZW \
  | 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: e779cb02fa1bb435fcc761f26f632acd8bd6932b6b1c83a424284ebb101aafd7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5aaecfeb91f10bfb824f566e79f56ad254b49cc651940448b4c08cc1558051a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-08-06T03:23:49Z",
    "title_canon_sha256": "4d849f690dd9071736e883bae6106daa2931203dbb06c09b2e59d59bdb572b0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05557",
    "kind": "arxiv",
    "version": 1
  }
}