Pith Number

pith:7LTEZR2C

pith:2020:7LTEZR2CFBKZKJAZRG4J6S6QRQ

not attested not anchored not stored refs pending

SOLOv2: Dynamic and Fast Instance Segmentation

Chunhua Shen, Lei Li, Rufeng Zhang, Tao Kong, Xinlong Wang

arxiv:2003.10152 v3 · 2020-03-23 · 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{7LTEZR2CFBKZKJAZRG4J6S6QRQ}

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	2026-07-05T01:45:42.245065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae64cc742285595241989b89f4bd08c22178999ed6c4e821f5e76fb69c5d66c

Aliases

arxiv: 2003.10152 · arxiv_version: 2003.10152v3 · doi: 10.48550/arxiv.2003.10152 · pith_short_12: 7LTEZR2CFBKZ · pith_short_16: 7LTEZR2CFBKZKJAZ · pith_short_8: 7LTEZR2C

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/7LTEZR2CFBKZKJAZRG4J6S6QRQ \
  | 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: fae64cc742285595241989b89f4bd08c22178999ed6c4e821f5e76fb69c5d66c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d16a07bda2a74a8e325ca5b8299bd07b2981b5045a584982ba73c2ab0d6d634",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-23T09:44:21Z",
    "title_canon_sha256": "cbe9adb99827165b17dc91b1c72083206360b98a6f0dabb61df5f967b18e7695"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10152",
    "kind": "arxiv",
    "version": 3
  }
}