Pith Number

pith:3CTIYDQS

pith:2019:3CTIYDQSMWHQ54X7NXRNE24AAE

not attested not anchored not stored refs pending

Machine Learning Classifiers for Intermediate Redshift Emission Line Galaxies

Brett H. Andrews (University of Pittsburg), Christoph Sch\"afer (EPFL), David J. Schlegel (LBNL), Jean-Paul Kneib (EPFL), Johan Comparat (UAM/CSIC, Jose Antonio Vazquez Mata (Universidad Nacional Aut\'onoma de M\'exico), Kai Zhang (LBNL), MPE), Renbin Yan (University of Kentucky), Universidad Aut\'onoma de Madrid

arxiv:1908.07046 v1 · 2019-08-19 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CTIYDQSMWHQ54X7NXRNE24AAE}

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	2026-07-05T00:08:37.338565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8a68c0e12658f0ef2ff6de2d26b80011542bea34dd65a94ed9d419017e6dfed

Aliases

arxiv: 1908.07046 · arxiv_version: 1908.07046v1 · doi: 10.48550/arxiv.1908.07046 · pith_short_12: 3CTIYDQSMWHQ · pith_short_16: 3CTIYDQSMWHQ54X7 · pith_short_8: 3CTIYDQS

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/3CTIYDQSMWHQ54X7NXRNE24AAE \
  | 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: d8a68c0e12658f0ef2ff6de2d26b80011542bea34dd65a94ed9d419017e6dfed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77fbdf219a26562997a9e6fd8d584f5a306f43f7007c7e0c7631cd5b04e5f125",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-19T19:41:49Z",
    "title_canon_sha256": "54e8a6a887fe99609264053e3502b400e66e650e43a538f1175f04a9c942811b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07046",
    "kind": "arxiv",
    "version": 1
  }
}