Pith Number

pith:V23THGSR

pith:2025:V23THGSRUMVZ7PULXMH6JCX5RW

not attested not anchored not stored refs pending

CitySeg: A 3D Open Vocabulary Semantic Segmentation Foundation Model in City-scale Scenarios

Jialei Xu, Linyun Li, Weijian Sun, Weikang You, Zizhuang Wei

arxiv:2508.09470 v1 · 2025-08-13 · 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{V23THGSRUMVZ7PULXMH6JCX5RW}

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	2026-07-05T11:53:15.461623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aeb7339a51a32b9fbe8bbb0fe48afd8da433c57472427fd5dcba987a4fb52ce9

Aliases

arxiv: 2508.09470 · arxiv_version: 2508.09470v1 · doi: 10.48550/arxiv.2508.09470 · pith_short_12: V23THGSRUMVZ · pith_short_16: V23THGSRUMVZ7PUL · pith_short_8: V23THGSR

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/V23THGSRUMVZ7PULXMH6JCX5RW \
  | 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: aeb7339a51a32b9fbe8bbb0fe48afd8da433c57472427fd5dcba987a4fb52ce9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ac6868098b1e21cfad9f5639265dc2199785aa156e8a3d94993902dde4f571",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-13T03:55:56Z",
    "title_canon_sha256": "a088b7f986ef69af172bf6241e529f98bcdbf3116b4ac4fc3f033fc9e5f3323d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.09470",
    "kind": "arxiv",
    "version": 1
  }
}