Pith Number

pith:EJI2P4LL

pith:2025:EJI2P4LLWPURBFY2KUYLFMD7TX

not attested not anchored not stored refs pending

4D-CS: Exploiting Cluster Prior for 4D Spatio-Temporal LiDAR Semantic Segmentation

Jiexi Zhong, Yubo Cui, Zheng Fang, Zhiheng Li

arxiv:2501.02937 v1 · 2025-01-06 · 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{EJI2P4LLWPURBFY2KUYLFMD7TX}

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	2026-07-05T09:57:27.304847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2251a7f16bb3e910971a5530b2b07f9dc64e013918f71d412826b0244abeaa78

Aliases

arxiv: 2501.02937 · arxiv_version: 2501.02937v1 · doi: 10.48550/arxiv.2501.02937 · pith_short_12: EJI2P4LLWPUR · pith_short_16: EJI2P4LLWPURBFY2 · pith_short_8: EJI2P4LL

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/EJI2P4LLWPURBFY2KUYLFMD7TX \
  | 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: 2251a7f16bb3e910971a5530b2b07f9dc64e013918f71d412826b0244abeaa78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b4194e425906451889ae10f6fc19c85729c3f6ac474ff0d1acaf355bd2ce3a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-06T11:23:13Z",
    "title_canon_sha256": "ee5cde2ff545260846689e6646881d7543789fbdfcc0ce79d9d3d2c2481849c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02937",
    "kind": "arxiv",
    "version": 1
  }
}