Pith Number

pith:HKZUIUPS

pith:2019:HKZUIUPSUXW3Y3HMUMOSCFTXQJ

not attested not anchored not stored refs pending

YOLACT++: Better Real-time Instance Segmentation

Chong Zhou, Daniel Bolya, Fanyi Xiao, Yong Jae Lee

arxiv:1912.06218 v2 · 2019-12-03 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKZUIUPSUXW3Y3HMUMOSCFTXQJ}

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	2026-07-05T01:37:40.583953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ab34451f2a5edbc6ceca31d211677825f72f6244f3206472c03a4257baedcb2

Aliases

arxiv: 1912.06218 · arxiv_version: 1912.06218v2 · doi: 10.48550/arxiv.1912.06218 · pith_short_12: HKZUIUPSUXW3 · pith_short_16: HKZUIUPSUXW3Y3HM · pith_short_8: HKZUIUPS

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/HKZUIUPSUXW3Y3HMUMOSCFTXQJ \
  | 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: 3ab34451f2a5edbc6ceca31d211677825f72f6244f3206472c03a4257baedcb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4218e56c25e7735d75a7ec26387ac2a9318d7aaba54340918aa507bd3eb6e331",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-03T18:58:03Z",
    "title_canon_sha256": "bdb028e7cd634a302613ac19e650ac5b5bc2989c138447d7cf2546c659d2a0ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06218",
    "kind": "arxiv",
    "version": 2
  }
}