Pith Number

pith:WQXR5OBM

pith:2018:WQXR5OBM4KFRF5NL6L57FVVH5L

not attested not anchored not stored refs pending

QuasarNET: Human-level spectral classification and redshifting with Deep Neural Networks

Christophe Balland, Nicolas Busca

arxiv:1808.09955 v1 · 2018-08-29 · astro-ph.IM · astro-ph.CO · astro-ph.GA · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQXR5OBM4KFRF5NL6L57FVVH5L}

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.

Cited by

4 papers in Pith

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

DESI 2024 IV: Baryon Acoustic Oscillations from the Lyman Alpha Forest

DESI DR2 Results I: Baryon Acoustic Oscillations from the Lyman Alpha Forest

DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints

Receipt and verification

First computed	2026-05-18T00:06:50.307762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42f1eb82ce28b12f5abf2fbf2d6a7eaf67089f7f0b964578c960ffff128345c

Aliases

arxiv: 1808.09955 · arxiv_version: 1808.09955v1 · doi: 10.48550/arxiv.1808.09955 · pith_short_12: WQXR5OBM4KFR · pith_short_16: WQXR5OBM4KFRF5NL · pith_short_8: WQXR5OBM

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/WQXR5OBM4KFRF5NL6L57FVVH5L \
  | 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: b42f1eb82ce28b12f5abf2fbf2d6a7eaf67089f7f0b964578c960ffff128345c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1120a6d904c2f528a3eb77780f112d3c3eebbeaed39d85fc8c47569c289dc2c4",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-29T07:52:42Z",
    "title_canon_sha256": "a74305f6a84763f4a15972d57a09098ebfa2f79e38796460e088acdd70699c01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09955",
    "kind": "arxiv",
    "version": 1
  }
}