Pith Number

pith:KP22HUDH

pith:2018:KP22HUDHL7J3RFWAEGJ3G7IWDA

not attested not anchored not stored refs pending

Mask Editor : an Image Annotation Tool for Image Segmentation Tasks

Chuanhai Zhang, Gary Kunkel, Kurt Loken, Zhiyong Xiao, Zhiyu Chen

arxiv:1809.06461 v1 · 2018-09-17 · 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{KP22HUDHL7J3RFWAEGJ3G7IWDA}

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	2026-05-18T00:05:27.142467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53f5a3d0675fd3b896c02193b37d1618005bd78133bc92fbf0479bb28927c830

Aliases

arxiv: 1809.06461 · arxiv_version: 1809.06461v1 · doi: 10.48550/arxiv.1809.06461 · pith_short_12: KP22HUDHL7J3 · pith_short_16: KP22HUDHL7J3RFWA · pith_short_8: KP22HUDH

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/KP22HUDHL7J3RFWAEGJ3G7IWDA \
  | 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: 53f5a3d0675fd3b896c02193b37d1618005bd78133bc92fbf0479bb28927c830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a9825b9a62ed0281fc0d5a449cc69bf64b1e8a9c0d505ee7fee5a0c9dd661a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-17T22:25:55Z",
    "title_canon_sha256": "beb77b3ed2d1e0897775d58a44c1b69cafa4f799ebc96be5561c8dbdc4be9f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06461",
    "kind": "arxiv",
    "version": 1
  }
}