Pith Number

pith:HEL7FOGT

pith:2021:HEL7FOGTBTPIATIB7ZMPOD2KTI

not attested not anchored not stored refs pending

AFDetV2: Rethinking the Necessity of the Second Stage for Object Detection from Point Clouds

Kun Li, Li Huang, Qiang Liu, Runzhou Ge, Wenxin Shao, Yihan Hu, Zhuangzhuang Ding

arxiv:2112.09205 v2 · 2021-12-16 · 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{HEL7FOGTBTPIATIB7ZMPOD2KTI}

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	2026-07-05T04:40:49.144645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3917f2b8d30cde804d01fe58f70f4a9a365cb81ef4791033df7b7f3f73ec68cb

Aliases

arxiv: 2112.09205 · arxiv_version: 2112.09205v2 · doi: 10.48550/arxiv.2112.09205 · pith_short_12: HEL7FOGTBTPI · pith_short_16: HEL7FOGTBTPIATIB · pith_short_8: HEL7FOGT

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/HEL7FOGTBTPIATIB7ZMPOD2KTI \
  | 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: 3917f2b8d30cde804d01fe58f70f4a9a365cb81ef4791033df7b7f3f73ec68cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45bde277b7bfb3e82b0ca1bf15dfb4c219abbd6fb19198e7e44a518cd1f7aa16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-16T21:22:17Z",
    "title_canon_sha256": "c03dd06646e3cb5ad4ce498037c1c14170f992c2e3855cd24fdf64a0e8e790b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.09205",
    "kind": "arxiv",
    "version": 2
  }
}