Pith Number

pith:E5Q2Y6ZW

pith:2025:E5Q2Y6ZWQRPC2CIFB3O4G43QOB

not attested not anchored not stored refs pending

Stable Structure Learning with HC-Stable and Tabu-Stable Algorithms

Anthony C. Constantinou, Neville K. Kitson

arxiv:2504.01740 v1 · 2025-04-02 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E5Q2Y6ZWQRPC2CIFB3O4G43QOB}

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	2026-07-05T10:43:29.218698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2761ac7b36845e2d09050eddc373707060ac4269ff02ad02add5150e86fff330

Aliases

arxiv: 2504.01740 · arxiv_version: 2504.01740v1 · doi: 10.48550/arxiv.2504.01740 · pith_short_12: E5Q2Y6ZWQRPC · pith_short_16: E5Q2Y6ZWQRPC2CIF · pith_short_8: E5Q2Y6ZW

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/E5Q2Y6ZWQRPC2CIFB3O4G43QOB \
  | 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: 2761ac7b36845e2d09050eddc373707060ac4269ff02ad02add5150e86fff330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33ed7e47c4118813d2adf4c22230c436977029ccb7a3f7549e36a20bd52ac2f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-02T13:51:44Z",
    "title_canon_sha256": "88d4d2c1e79f7951486fbc802fb3cca36fc2f4abbbec5dab559da02b2593e18b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01740",
    "kind": "arxiv",
    "version": 1
  }
}