Pith Number

pith:AH4KK3L4

pith:2021:AH4KK3L4QMENNFSB77O76FBDXD

not attested not anchored not stored refs pending

Learning with Noisy Labels for Robust Point Cloud Segmentation

Dongdong Chen, Jing Liao, Shuquan Ye, Songfang Han

arxiv:2107.14230 v2 · 2021-07-29 · cs.CV · cs.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AH4KK3L4QMENNFSB77O76FBDXD}

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	2026-07-05T03:03:29.788921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01f8a56d7c8308d69641ffddff1423b8e33b618970bf9eb32b08e86b575222f6

Aliases

arxiv: 2107.14230 · arxiv_version: 2107.14230v2 · doi: 10.48550/arxiv.2107.14230 · pith_short_12: AH4KK3L4QMEN · pith_short_16: AH4KK3L4QMENNFSB · pith_short_8: AH4KK3L4

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/AH4KK3L4QMENNFSB77O76FBDXD \
  | 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: 01f8a56d7c8308d69641ffddff1423b8e33b618970bf9eb32b08e86b575222f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1df7265dd9392e1ce3e8c4b6ac7d3abeb434aacc3af52069dea8964086a9d65e",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-29T17:59:54Z",
    "title_canon_sha256": "05941bedadff25d6a5c8d64881e5a922860faafd180499837ad16084a9430835"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14230",
    "kind": "arxiv",
    "version": 2
  }
}