Pith Number

pith:74YRKSTQ

pith:2016:74YRKSTQQOZNADHUUP2DUIJS6K

not attested not anchored not stored refs pending

METAPHOR: A machine learning based method for the probability density estimation of photometric redshifts

Civita Vellucci, Crescenzo Tortora, Giuseppe Longo, Massimo Brescia, Stefano Cavuoti, Valeria Amaro

arxiv:1611.02162 v1 · 2016-11-07 · astro-ph.IM

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74YRKSTQQOZNADHUUP2DUIJS6K}

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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

1 paper in Pith

Machine Learning Techniques for Astrophysics and Cosmology: Photometric Redshifts

Receipt and verification

First computed	2026-05-18T00:55:20.353178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff31154a7083b2d00cf4a3f43a2132f2869c7f988734ac37ce24ccd2a817c8d9

Aliases

arxiv: 1611.02162 · arxiv_version: 1611.02162v1 · doi: 10.48550/arxiv.1611.02162 · pith_short_12: 74YRKSTQQOZN · pith_short_16: 74YRKSTQQOZNADHU · pith_short_8: 74YRKSTQ

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/74YRKSTQQOZNADHUUP2DUIJS6K \
  | 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: ff31154a7083b2d00cf4a3f43a2132f2869c7f988734ac37ce24ccd2a817c8d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45ae3b9c4bbb0c15769d972cf6159a8a2be20e259b455b989ae2fdb9a129b786",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-11-07T16:33:09Z",
    "title_canon_sha256": "901166713db9046ba3e247c75d647f5229909c69411b86120fcf53435a49c028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02162",
    "kind": "arxiv",
    "version": 1
  }
}