Pith Number

pith:N4NSIXLT

pith:2025:N4NSIXLTKQ6WLH4ZJOY4RTVAPA

not attested not anchored not stored refs pending

Automated quasar continuum estimation using neural networks: a comparative study of deep-learning architectures

Agnieszka Pollo, Angela Iovino, Daniela Vergani, David N. A. Murphy, Elena S. Mangola, Francesco Pistis, Ignasi P\'erez-R\'afols, Katarzyna Ma{\l}ek, Margherita Grespan, Matteo Fossati, Matthew M. Pieri, Michele Fumagalli, Rajeshwari Dutta, Sean Morrison, Trystyn Berg, William J. Pearson

arxiv:2505.10976 v1 · 2025-05-16 · astro-ph.GA · astro-ph.IM

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

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\usepackage{pith}
\pithnumber{N4NSIXLTKQ6WLH4ZJOY4RTVAPA}

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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.

Cited by

2 papers in Pith

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$\alpha$ forest

Probing the limits of cosmological information from the Lyman-$\alpha$ forest 2-point correlation functions

Receipt and verification

First computed	2026-07-05T11:26:31.428475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f1b245d73543d659f994bb1c8cea0780dd3a424d751f7408673f4d9f51bd537

Aliases

arxiv: 2505.10976 · arxiv_version: 2505.10976v1 · doi: 10.48550/arxiv.2505.10976 · pith_short_12: N4NSIXLTKQ6W · pith_short_16: N4NSIXLTKQ6WLH4Z · pith_short_8: N4NSIXLT

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/N4NSIXLTKQ6WLH4ZJOY4RTVAPA \
  | 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: 6f1b245d73543d659f994bb1c8cea0780dd3a424d751f7408673f4d9f51bd537

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb31af8d4d71ffc4aa9262b3910f5595917aedd3d5e22b484ac18cee3dc6b4a2",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-16T08:24:13Z",
    "title_canon_sha256": "c9d4ebb63408b5e8778ad2a559c353de596aca3898504126346675bede4596f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.10976",
    "kind": "arxiv",
    "version": 1
  }
}