Pith Number

pith:6P3XJJ2B

pith:2021:6P3XJJ2BI2PGKOMQEP2CXGOPVQ

not attested not anchored not stored refs pending

Damped Lyman-alpha Absorbers from Sloan Digital Sky Survey DR16Q with Gaussian processes

Ming-Feng Ho, Roman Garnett, Simeon Bird

arxiv:2103.10964 v2 · 2021-03-19 · astro-ph.GA · astro-ph.IM · 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{6P3XJJ2BI2PGKOMQEP2CXGOPVQ}

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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

4 papers in Pith

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

Cosmological analysis of the DESI DR1 Lyman alpha 1D power spectrum

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	2026-07-05T03:07:47.722639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3f774a741469e65399023f42b99cfac0db648e6dd80d2c4fcf73b21bd26aeaa

Aliases

arxiv: 2103.10964 · arxiv_version: 2103.10964v2 · doi: 10.48550/arxiv.2103.10964 · pith_short_12: 6P3XJJ2BI2PG · pith_short_16: 6P3XJJ2BI2PGKOMQ · pith_short_8: 6P3XJJ2B

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/6P3XJJ2BI2PGKOMQEP2CXGOPVQ \
  | 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: f3f774a741469e65399023f42b99cfac0db648e6dd80d2c4fcf73b21bd26aeaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b570ae203010a1da6de2fd6d97642e2c293f6042dd4ccfdd02df2d3749b39c72",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-03-19T18:00:09Z",
    "title_canon_sha256": "abf0201b85da61e19a192a74907d592af9649bfffb2a3e559efa5dc29656ed09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10964",
    "kind": "arxiv",
    "version": 2
  }
}