Pith Number

pith:KBUJLTVV

pith:2018:KBUJLTVVP2Y3XPHEFDVV7Q3HIS

not attested not anchored not stored refs pending

Deep multi-survey classification of variable stars

Carlos Aguirre, Ignacio Becker, Karim Pichara

arxiv:1810.09440 v1 · 2018-10-21 · astro-ph.IM · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KBUJLTVVP2Y3XPHEFDVV7Q3HIS}

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	2026-05-18T00:01:57.243463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

506895ceb57eb1bbbce428eb5fc367448dbe0b39677eb833ab5c41c953e4a704

Aliases

arxiv: 1810.09440 · arxiv_version: 1810.09440v1 · doi: 10.48550/arxiv.1810.09440 · pith_short_12: KBUJLTVVP2Y3 · pith_short_16: KBUJLTVVP2Y3XPHE · pith_short_8: KBUJLTVV

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/KBUJLTVVP2Y3XPHEFDVV7Q3HIS \
  | 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: 506895ceb57eb1bbbce428eb5fc367448dbe0b39677eb833ab5c41c953e4a704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c11428441c2de1e7e6ab47a500478d7188d87113db2c5d81d98c7c5766ece038",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-10-21T14:22:31Z",
    "title_canon_sha256": "269da169510556c4d24bf63b0e17161fa13fd71fd773316f7f44780a51132c47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09440",
    "kind": "arxiv",
    "version": 1
  }
}