Pith Number

pith:UXJHWL53

pith:2019:UXJHWL53GLSKCSARKZTYJIZNXM

not attested not anchored not stored refs pending

Photometric light curves classification with machine learning

Peter Wang, Sergey Zlobin, Tatiana Gabruseva

arxiv:1909.05032 v1 · 2019-09-10 · astro-ph.IM · astro-ph.CO · 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{UXJHWL53GLSKCSARKZTYJIZNXM}

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	2026-07-05T00:04:02.399628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5d27b2fbb32e4a14811566784a32dbb2695746ef79f6a0cf40af237e3ac94c5

Aliases

arxiv: 1909.05032 · arxiv_version: 1909.05032v1 · doi: 10.48550/arxiv.1909.05032 · pith_short_12: UXJHWL53GLSK · pith_short_16: UXJHWL53GLSKCSAR · pith_short_8: UXJHWL53

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/UXJHWL53GLSKCSARKZTYJIZNXM \
  | 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: a5d27b2fbb32e4a14811566784a32dbb2695746ef79f6a0cf40af237e3ac94c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "688f1258ddc8a8de69942d05a087f43393db2671ebf576037beb13d37079ccba",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-09-10T01:28:19Z",
    "title_canon_sha256": "b4a7cc54911315d39a4f696b5bc71a2a4fc306ae8e0a984386b17987574f3b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05032",
    "kind": "arxiv",
    "version": 1
  }
}