Pith Number

pith:HNOMMQLB

pith:2021:HNOMMQLBHHPIAIPPZYIQV5MXHW

not attested not anchored not stored refs pending

CAPTRA: CAtegory-level Pose Tracking for Rigid and Articulated Objects from Point Clouds

Baoquan Chen, Hao Su, He Wang, Leonidas J. Guibas, Qiang Zhou, Qingnan Fan, Yijia Weng, Yueqi Duan, Yuzhe Qin

arxiv:2104.03437 v2 · 2021-04-08 · 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{HNOMMQLBHHPIAIPPZYIQV5MXHW}

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	2026-07-05T03:24:28.977251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b5cc6416139de8021efce110af5973da09786f526c121d349088eee4e164375

Aliases

arxiv: 2104.03437 · arxiv_version: 2104.03437v2 · doi: 10.48550/arxiv.2104.03437 · pith_short_12: HNOMMQLBHHPI · pith_short_16: HNOMMQLBHHPIAIPP · pith_short_8: HNOMMQLB

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/HNOMMQLBHHPIAIPPZYIQV5MXHW \
  | 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: 3b5cc6416139de8021efce110af5973da09786f526c121d349088eee4e164375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce9c4f31a321cd5d86ec9b40716adace5e0e43cde7ecb40bb77608ec3f7773e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-08T00:14:58Z",
    "title_canon_sha256": "c0032b64eb7f6ac5f31d7b47c110a133f6936391f3244d87e053b27fd287395f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03437",
    "kind": "arxiv",
    "version": 2
  }
}