Pith Number

pith:CMA3KDBF

pith:2016:CMA3KDBF4PDFXMMXZQXAK6IHDU

not attested not anchored not stored refs pending

An efficient iterative thresholding method for image segmentation

Dong Wang, Haohan Li, Xiaoping Wang, Xiaoyu Wei

arxiv:1608.01431 v2 · 2016-08-04 · cs.CV · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMA3KDBF4PDFXMMXZQXAK6IHDU}

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	2026-05-18T00:33:23.250944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1301b50c25e3c65bb197cc2e0579071d222ded864d823400bf488f0e112a7421

Aliases

arxiv: 1608.01431 · arxiv_version: 1608.01431v2 · doi: 10.48550/arxiv.1608.01431 · pith_short_12: CMA3KDBF4PDF · pith_short_16: CMA3KDBF4PDFXMMX · pith_short_8: CMA3KDBF

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/CMA3KDBF4PDFXMMXZQXAK6IHDU \
  | 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: 1301b50c25e3c65bb197cc2e0579071d222ded864d823400bf488f0e112a7421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "742eecce274650b938b3df0002f836e12e4f37e1bac6070d59ceb3b90f066c34",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-08-04T05:37:35Z",
    "title_canon_sha256": "bc6f3136c359aec50e3ca880a67d0d8aee22217eca814ada0e2d703e277c9235"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01431",
    "kind": "arxiv",
    "version": 2
  }
}