Pith Number

pith:4PDCGOUT

pith:2018:4PDCGOUTSJ4POEVTZ4EII45BBJ

not attested not anchored not stored refs pending

Learning to Cluster for Proposal-Free Instance Segmentation

Jiawei Huang, Yen-Chang Hsu, Zheng Xu, Zsolt Kira

arxiv:1803.06459 v1 · 2018-03-17 · cs.CV · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PDCGOUTSJ4POEVTZ4EII45BBJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:20:45.853335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3c6233a939278f712b3cf088473a10a545db80c02799e21c741098c803508f3

Aliases

arxiv: 1803.06459 · arxiv_version: 1803.06459v1 · doi: 10.48550/arxiv.1803.06459 · pith_short_12: 4PDCGOUTSJ4P · pith_short_16: 4PDCGOUTSJ4POEVT · pith_short_8: 4PDCGOUT

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/4PDCGOUTSJ4POEVTZ4EII45BBJ \
  | 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: e3c6233a939278f712b3cf088473a10a545db80c02799e21c741098c803508f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "828a6d138a139e0effa13f6bc7f0fc74f8a74a37d3f1d21d5b7a77c77889a4be",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-17T04:35:21Z",
    "title_canon_sha256": "2410eabe141cf8ce7672ddc7434523567c14306815ee0afde90ee004923683e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06459",
    "kind": "arxiv",
    "version": 1
  }
}