Pith Number

pith:FU5Z7WAD

pith:2018:FU5Z7WAD4NINECZSJKIZA6WPJ6

not attested not anchored not stored refs pending

Supervised Machine Learning for Analysing Spectra of Exoplanetary Atmospheres

Chloe Fisher, Kevin Heng, Pablo Marquez-Neila, Raphael Sznitman

arxiv:1806.03944 v1 · 2018-06-11 · astro-ph.EP · physics.ao-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FU5Z7WAD4NINECZSJKIZA6WPJ6}

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	2026-05-18T00:13:41.470258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d3b9fd803e350d20b324a91907acf4f914ad7bf65959984f596d7455f8325d2

Aliases

arxiv: 1806.03944 · arxiv_version: 1806.03944v1 · doi: 10.48550/arxiv.1806.03944 · pith_short_12: FU5Z7WAD4NIN · pith_short_16: FU5Z7WAD4NINECZS · pith_short_8: FU5Z7WAD

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/FU5Z7WAD4NINECZSJKIZA6WPJ6 \
  | 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: 2d3b9fd803e350d20b324a91907acf4f914ad7bf65959984f596d7455f8325d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "251b2b64226c22f1d7b9473cc96314d600b36eecad2f349d0e3ec2ef8ea2f1fc",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-06-11T13:03:46Z",
    "title_canon_sha256": "49ab6f0cfaa12d064d36f45ea63a601c3387f34ff20c015c58e95b93163a646b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03944",
    "kind": "arxiv",
    "version": 1
  }
}