Pith Number

pith:TMLQB3WS

pith:2021:TMLQB3WSFXZ34QYIFUHRYCYEXQ

not attested not anchored not stored refs pending

Hierarchical Aggregation for 3D Instance Segmentation

Jiemin Fang, Qian Zhang, Shaoyu Chen, Wenyu Liu, Xinggang Wang

arxiv:2108.02350 v1 · 2021-08-05 · 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{TMLQB3WSFXZ34QYIFUHRYCYEXQ}

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	2026-07-05T03:03:32.117216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b1700eed22df3be43082d0f1c0b04bc2023f8737a5c3d39d684f0210f45136f

Aliases

arxiv: 2108.02350 · arxiv_version: 2108.02350v1 · doi: 10.48550/arxiv.2108.02350 · pith_short_12: TMLQB3WSFXZ3 · pith_short_16: TMLQB3WSFXZ34QYI · pith_short_8: TMLQB3WS

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/TMLQB3WSFXZ34QYIFUHRYCYEXQ \
  | 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: 9b1700eed22df3be43082d0f1c0b04bc2023f8737a5c3d39d684f0210f45136f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9339f5cfa67f6dac05a86bad30570f3d21bf1dd9116e9e174b2aa527338f754",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-05T03:34:34Z",
    "title_canon_sha256": "fb16f2cbc6d65a1bb9514aceb2af270f5ddd7b8c3e72d64e60a29f316b147829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02350",
    "kind": "arxiv",
    "version": 1
  }
}