Pith Number

pith:KNLQ2IPX

pith:2019:KNLQ2IPXNSYGFPMFAGP6S2RPWE

not attested not anchored not stored refs pending

Variable Star Classification Using Multi-View Metric Learning

A.M. Peter, K. B. Johnston, R. Haber, S.M. Caballero-Nieves, V. Petit

arxiv:1911.05821 v1 · 2019-11-13 · astro-ph.IM · 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{KNLQ2IPXNSYGFPMFAGP6S2RPWE}

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	2026-07-05T01:31:45.337409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53570d21f76cb062bd85019fe96a2fb1341818d4635a856cb7937298cd23a73a

Aliases

arxiv: 1911.05821 · arxiv_version: 1911.05821v1 · doi: 10.48550/arxiv.1911.05821 · pith_short_12: KNLQ2IPXNSYG · pith_short_16: KNLQ2IPXNSYGFPMF · pith_short_8: KNLQ2IPX

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/KNLQ2IPXNSYGFPMFAGP6S2RPWE \
  | 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: 53570d21f76cb062bd85019fe96a2fb1341818d4635a856cb7937298cd23a73a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc44c17e1ba6cb8f5119f68bc3c8d31587c71e48c8f3fd5aba0de24d825be8c",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-11-13T21:37:53Z",
    "title_canon_sha256": "9603a3228f5d910bd3b4e51fe0c48637213c2c0b107c510a04c2af02cbdf36e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.05821",
    "kind": "arxiv",
    "version": 1
  }
}