Pith Number

pith:552KWHQY

pith:2019:552KWHQYZBLMUA4GGIHMSTKMPO

not attested not anchored not stored refs pending

MASC: Multi-scale Affinity with Sparse Convolution for 3D Instance Segmentation

Chen Liu, Yasutaka Furukawa

arxiv:1902.04478 v1 · 2019-02-12 · 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{552KWHQYZBLMUA4GGIHMSTKMPO}

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	2026-05-17T23:54:12.184969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef74ab1e18c856ca0386320ec94d4c7b8cabb4d15b604ef1269d1358c8195bb5

Aliases

arxiv: 1902.04478 · arxiv_version: 1902.04478v1 · doi: 10.48550/arxiv.1902.04478 · pith_short_12: 552KWHQYZBLM · pith_short_16: 552KWHQYZBLMUA4G · pith_short_8: 552KWHQY

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/552KWHQYZBLMUA4GGIHMSTKMPO \
  | 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: ef74ab1e18c856ca0386320ec94d4c7b8cabb4d15b604ef1269d1358c8195bb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7c22db743ae7de6300c773fb103340d57ed0625302339cfd43f0c5fc17428ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-12T16:30:54Z",
    "title_canon_sha256": "a0d44ee483f74af0e2cd93e0edb789b08cd73487c258a675e8c0cacfa3e6bc3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04478",
    "kind": "arxiv",
    "version": 1
  }
}