Pith Number

pith:QDYGAJXB

pith:2021:QDYGAJXBP65SZ3EHR3IPPRZBWM

not attested not anchored not stored refs pending

Weighted Intersection over Union (wIoU) for Evaluating Image Segmentation

Yeong-Jun Cho

arxiv:2107.09858 v5 · 2021-07-21 · 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{QDYGAJXBP65SZ3EHR3IPPRZBWM}

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.

Cited by

1 paper in Pith

Detecting Pen-In-Air States from Video: A Proof-of-Concept Toward Complementary Handwriting Analysis

Receipt and verification

First computed	2026-07-05T08:44:07.715312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f06026e17fbb2cec878ed0f7c721b330cb721b7d0dc2ed1bfca20612022713

Aliases

arxiv: 2107.09858 · arxiv_version: 2107.09858v5 · doi: 10.48550/arxiv.2107.09858 · pith_short_12: QDYGAJXBP65S · pith_short_16: QDYGAJXBP65SZ3EH · pith_short_8: QDYGAJXB

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/QDYGAJXBP65SZ3EHR3IPPRZBWM \
  | 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: 80f06026e17fbb2cec878ed0f7c721b330cb721b7d0dc2ed1bfca20612022713

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c52cf6b0c1b5869251a542644f3c8181b54eba5b80c33a93f27b70e1354e0958",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-21T02:59:59Z",
    "title_canon_sha256": "b771c23b1e11fdb7ea03154b69c08a8ef0755fddfe5b2b0ceef075f8bb971f3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09858",
    "kind": "arxiv",
    "version": 5
  }
}