Pith Number

pith:BQV3EFPG

pith:2013:BQV3EFPGD3ES3MG52NK4VZUJFO

not attested not anchored not stored refs pending

Multilevel Threshold Based Gray Scale Image Segmentation using Cuckoo Search

Nilanjan Dey, Poulami Das, Sheli Sinha Chaudhuri, Sourav Samantaa, Suvojit Acharjee

arxiv:1307.0277 v1 · 2013-07-01 · 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{BQV3EFPGD3ES3MG52NK4VZUJFO}

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	2026-05-18T03:19:33.794240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c2bb215e61ec92db0ddd355cae6892bbc6cc684ec6b4ca9d60a78c7320f3d66

Aliases

arxiv: 1307.0277 · arxiv_version: 1307.0277v1 · doi: 10.48550/arxiv.1307.0277 · pith_short_12: BQV3EFPGD3ES · pith_short_16: BQV3EFPGD3ES3MG5 · pith_short_8: BQV3EFPG

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/BQV3EFPGD3ES3MG52NK4VZUJFO \
  | 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: 0c2bb215e61ec92db0ddd355cae6892bbc6cc684ec6b4ca9d60a78c7320f3d66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a61e6b91e7b1cbe36f0ea23f36031b0f21aa3a9f50c63e1177b685be32538f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-07-01T06:50:23Z",
    "title_canon_sha256": "080d7ed3333965d4ea8066a13eecd8fc89f6e933bd5162f85ba0cdffb0385f18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0277",
    "kind": "arxiv",
    "version": 1
  }
}