Pith Number

pith:JM2B3QFP

pith:2021:JM2B3QFPALOXA5W3OOLOQO6JKG

not attested not anchored not stored refs pending

Mask Transfiner for High-Quality Instance Segmentation

Chi-Keung Tang, Fisher Yu, Lei Ke, Martin Danelljan, Xia Li, Yu-Wing Tai

arxiv:2111.13673 v1 · 2021-11-26 · 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{JM2B3QFPALOXA5W3OOLOQO6JKG}

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	2026-07-05T03:35:23.540817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b341dc0af02dd7076db7396e83bc9519917c42140d4570808714855640290fa

Aliases

arxiv: 2111.13673 · arxiv_version: 2111.13673v1 · doi: 10.48550/arxiv.2111.13673 · pith_short_12: JM2B3QFPALOX · pith_short_16: JM2B3QFPALOXA5W3 · pith_short_8: JM2B3QFP

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/JM2B3QFPALOXA5W3OOLOQO6JKG \
  | 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: 4b341dc0af02dd7076db7396e83bc9519917c42140d4570808714855640290fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2273a81f3546b86c39dc645d2869915dd2dce585d284583d1fc1e8e811321518",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-11-26T18:58:22Z",
    "title_canon_sha256": "a988d6c41f34548568291e1244c549225b4c27cfa28e82092d8a2e3966273c15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.13673",
    "kind": "arxiv",
    "version": 1
  }
}