Pith Number

pith:RYVLTG5F

pith:2020:RYVLTG5F7TBBBC5ZVP7GPULHWY

not attested not anchored not stored refs pending

Multilevel Image Thresholding Using a Fully Informed Cuckoo Search Algorithm

Chongyi Fan, Jiahua Zhu, Liang Shen, Sixian Chen, Xiaotao Huang

arxiv:2006.09987 v1 · 2020-05-31 · cs.NE · 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{RYVLTG5F7TBBBC5ZVP7GPULHWY}

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	2026-07-05T01:11:07.063451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e2ab99ba5fcc2108bb9abfe67d167b60f9d74aafe9d3638e013d0340e0d1e1a

Aliases

arxiv: 2006.09987 · arxiv_version: 2006.09987v1 · doi: 10.48550/arxiv.2006.09987 · pith_short_12: RYVLTG5F7TBB · pith_short_16: RYVLTG5F7TBBBC5Z · pith_short_8: RYVLTG5F

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/RYVLTG5F7TBBBC5ZVP7GPULHWY \
  | 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: 8e2ab99ba5fcc2108bb9abfe67d167b60f9d74aafe9d3638e013d0340e0d1e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fdd95fe763b6ca798b08a49757d47ff8db74060f2b8430619c24047f99b89f5",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-05-31T13:22:27Z",
    "title_canon_sha256": "ba94c8111a5f44f358a94636c9d68d0de151152b49645439aba18b636ac6aa1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.09987",
    "kind": "arxiv",
    "version": 1
  }
}