Pith Number

pith:PQBRR3MS

pith:2020:PQBRR3MS3UURVX47BI6MNQBCSF

not attested not anchored not stored refs pending

Detecting Multiple DLAs per Spectrum in SDSS DR12 with Gaussian Processes

Ming-Feng Ho, Roman Garnett, Simeon Bird

arxiv:2003.11036 v2 · 2020-03-24 · astro-ph.CO · astro-ph.GA · 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{PQBRR3MS3UURVX47BI6MNQBCSF}

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

2 papers in Pith

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

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

Receipt and verification

First computed	2026-07-05T01:14:43.804296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c0318ed92dd291adf9f0a3cc6c022915b6ccee6e096185a70942b6e195121d5

Aliases

arxiv: 2003.11036 · arxiv_version: 2003.11036v2 · doi: 10.48550/arxiv.2003.11036 · pith_short_12: PQBRR3MS3UUR · pith_short_16: PQBRR3MS3UURVX47 · pith_short_8: PQBRR3MS

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/PQBRR3MS3UURVX47BI6MNQBCSF \
  | 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: 7c0318ed92dd291adf9f0a3cc6c022915b6ccee6e096185a70942b6e195121d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c30d1463505104177da5d09c04ee084d4c33b554835a30735f31636913300621",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-03-24T18:00:09Z",
    "title_canon_sha256": "5fa8e37ac99e23c1a410adcf04b10bb872bd5d6860f8e17cd010020db4f3f266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.11036",
    "kind": "arxiv",
    "version": 2
  }
}