Pith Number

pith:QKF2QZ6K

pith:2020:QKF2QZ6KRJCLVTXHEC622LJ35N

not attested not anchored not stored refs pending

FCOS: A simple and strong anchor-free object detector

Chunhua Shen, Hao Chen, Tong He, Zhi Tian

arxiv:2006.09214 v3 · 2020-06-14 · 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{QKF2QZ6KRJCLVTXHEC622LJ35N}

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	2026-07-05T01:41:54.911217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828ba867ca8a44bacee720bdad2d3beb537ffdf50a2c5cf949a41c8a32a90c9b

Aliases

arxiv: 2006.09214 · arxiv_version: 2006.09214v3 · doi: 10.48550/arxiv.2006.09214 · pith_short_12: QKF2QZ6KRJCL · pith_short_16: QKF2QZ6KRJCLVTXH · pith_short_8: QKF2QZ6K

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/QKF2QZ6KRJCLVTXHEC622LJ35N \
  | 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: 828ba867ca8a44bacee720bdad2d3beb537ffdf50a2c5cf949a41c8a32a90c9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47450e5d7d25ec3b06436ffa27ca4f223b8d4f803f15760ad7d3ba8dd89cd73a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-06-14T01:03:39Z",
    "title_canon_sha256": "a61a98be2569626a8eb1f4c12675cb943ed8ed379a464f3c32b7a563763a8025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.09214",
    "kind": "arxiv",
    "version": 3
  }
}