Pith Number

pith:NBSVUVND

pith:2026:NBSVUVNDHB7U3U3AP24PGHDVV3

not attested not anchored not stored refs pending

From Pairs to Sequences: Track-Aware Policy Gradients for Keypoint Detection

Bing Wang, Fangzhen Li, Guang Chen, Hangjun Ye, Hao Li, kuang Gao, Liwen Yang, Xudi Ge, Yepeng Liu, Yongchao Xu, Yuliang Gu

arxiv:2602.20630 v4 · 2026-02-24 · 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{NBSVUVNDHB7U3U3AP24PGHDVV3}

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	2026-05-20T00:00:35.112255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68655a55a3387f4dd3607eb8f31c75aedb77d9896aef1a1d8ad5ac1151d3a190

Aliases

arxiv: 2602.20630 · arxiv_version: 2602.20630v4 · doi: 10.48550/arxiv.2602.20630 · pith_short_12: NBSVUVNDHB7U · pith_short_16: NBSVUVNDHB7U3U3A · pith_short_8: NBSVUVND

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/NBSVUVNDHB7U3U3AP24PGHDVV3 \
  | 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: 68655a55a3387f4dd3607eb8f31c75aedb77d9896aef1a1d8ad5ac1151d3a190

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "407bdb1c800d0e97d6a230f2327ad0fc9004069686b9b233874f8bd8d8d807a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-02-24T07:24:25Z",
    "title_canon_sha256": "47753f9c8cf8e2253e8d0b721f326f4200fe5a955d7ce005efc5650df0114f09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.20630",
    "kind": "arxiv",
    "version": 4
  }
}