Pith Number

pith:ZOTOUNRX

pith:2018:ZOTOUNRXPIFEA6PVXYX4DMBH3K

not attested not anchored not stored refs pending

On the Use of Logistic Regression for stellar classification. An application to colour-colour diagrams

A. I. G\'omez de Castro, J. Y\'a\~nez, L. Beitia-Antero

arxiv:1805.09551 v1 · 2018-05-24 · astro-ph.SR

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

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	2026-05-18T00:10:37.377560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cba6ea36377a0a4079f5be2fc1b027dab2ed79d4d56895c9c63e454ca1db9d69

Aliases

arxiv: 1805.09551 · arxiv_version: 1805.09551v1 · doi: 10.48550/arxiv.1805.09551 · pith_short_12: ZOTOUNRXPIFE · pith_short_16: ZOTOUNRXPIFEA6PV · pith_short_8: ZOTOUNRX

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/ZOTOUNRXPIFEA6PVXYX4DMBH3K \
  | 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: cba6ea36377a0a4079f5be2fc1b027dab2ed79d4d56895c9c63e454ca1db9d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4789c0a55cbffcf54b2a922a73783fda4f6a02284b1fccbb2451729c025afd33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-24T08:39:54Z",
    "title_canon_sha256": "7776eccef1b9c473402b0fbc5534f92bd2ca28fad2294479ec09c2c54b353d4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09551",
    "kind": "arxiv",
    "version": 1
  }
}