Pith Number

pith:VTT3GPKH

pith:2026:VTT3GPKHZXNBSGVSP2C3BIMK26

not attested not anchored not stored refs pending

Resolving Primitive-Sharing Ambiguity in Long-Tailed TLS-Based Industrial MEP Point Cloud Segmentation via Spatial Context Constraints

Anjin Dai, Chao Yin, Hongda Hu, Ji Yang, Qing Han, Wei Yao, Yue Liu, Zhiwei Hou

arxiv:2601.19128 v2 · 2026-01-27 · 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{VTT3GPKHZXNBSGVSP2C3BIMK26}

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	2026-07-07T02:18:33.526754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ace7b33d47cdda191ab27e85b0a18ad7be3fbd562cffaee0d02a7d9ffc1a591b

Aliases

arxiv: 2601.19128 · arxiv_version: 2601.19128v2 · doi: 10.48550/arxiv.2601.19128 · pith_short_12: VTT3GPKHZXNB · pith_short_16: VTT3GPKHZXNBSGVS · pith_short_8: VTT3GPKH

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/VTT3GPKHZXNBSGVSP2C3BIMK26 \
  | 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: ace7b33d47cdda191ab27e85b0a18ad7be3fbd562cffaee0d02a7d9ffc1a591b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eb8f98f86b5f0d161a16c2ff3d2b58d5be9df6e400aecd4fa685571a5d8c60c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-01-27T02:52:28Z",
    "title_canon_sha256": "eefd53c138d02379487a159b8d5c06013bedb7dc8597f472586b13f591800593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.19128",
    "kind": "arxiv",
    "version": 2
  }
}