Pith Number

pith:AAPGKNC2

pith:2025:AAPGKNC2WTWU52PZLW75SPXX46

not attested not anchored not stored refs pending

SAM4D: Segment Anything in Camera and LiDAR Streams

Chunyong Hu, Jianke Zhu, Jianyun Xu, Qiang Li, Sheng Yang, Song Wang, Ziqian Ni

arxiv:2506.21547 v1 · 2025-06-26 · cs.CV · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAPGKNC2WTWU52PZLW75SPXX46}

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	2026-07-05T11:27:47.622726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

001e65345ab4ed4ee9f95dbfd93ef7e7b1aee60300c497f72c81c3ba4d5acf06

Aliases

arxiv: 2506.21547 · arxiv_version: 2506.21547v1 · doi: 10.48550/arxiv.2506.21547 · pith_short_12: AAPGKNC2WTWU · pith_short_16: AAPGKNC2WTWU52PZ · pith_short_8: AAPGKNC2

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/AAPGKNC2WTWU52PZLW75SPXX46 \
  | 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: 001e65345ab4ed4ee9f95dbfd93ef7e7b1aee60300c497f72c81c3ba4d5acf06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7c5cf66b9bc1aa7da1169cf4cd111ef8ded47b41421d6b58e8e016fc9d0c5c6",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-06-26T17:59:14Z",
    "title_canon_sha256": "1e82796679b63cec0420a92f86337d5f38dc042bfa88b25f21ab375257b96709"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21547",
    "kind": "arxiv",
    "version": 1
  }
}