Pith Number

pith:TYF3KIBY

pith:2014:TYF3KIBYDUWIVDR73JOCJU3QAT

not attested not anchored not stored refs pending

Circle detection on images using Learning Automata

Daniel Zaldivar, Erik Cuevas, Fernando Wario, Marco Perez

arxiv:1405.5406 v1 · 2014-05-21 · 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{TYF3KIBYDUWIVDR73JOCJU3QAT}

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	2026-05-18T02:51:24.302912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e0bb520381d2c8a8e3fda5c24d37004f4d363a7bbb036dd773444bf06b5d58e

Aliases

arxiv: 1405.5406 · arxiv_version: 1405.5406v1 · doi: 10.48550/arxiv.1405.5406 · pith_short_12: TYF3KIBYDUWI · pith_short_16: TYF3KIBYDUWIVDR7 · pith_short_8: TYF3KIBY

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/TYF3KIBYDUWIVDR73JOCJU3QAT \
  | 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: 9e0bb520381d2c8a8e3fda5c24d37004f4d363a7bbb036dd773444bf06b5d58e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2771cc1444e0eda33f79cba1cef0d47aab6796ee4898f2d418862750c2990b20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-05-21T13:20:44Z",
    "title_canon_sha256": "5038806e5481c68e49962604608faa2aa0a3625cde80046d67d60a84d5d5894a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5406",
    "kind": "arxiv",
    "version": 1
  }
}