Pith Number

pith:2OZOWJPF

pith:2025:2OZOWJPFEEF27LSJ4GAMM2EC4J

not attested not anchored not stored refs pending

zELDA II: reconstruction of galactic Lyman-alpha spectra attenuated by the intergalactic medium using neural networks

Alberto Fernandez-Soto, Alberto Torralba, Chris Byrohl, Daniele Spinoso, Max Gronke, Pablo Arnalte-Mur, Siddhartha Gurung-Lopez, Vicent J. Martinez

arxiv:2501.04077 v1 · 2025-01-07 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OZOWJPFEEF27LSJ4GAMM2EC4J}

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	2026-07-05T11:23:08.445410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b2eb25e5210bafae49e180c66882e26d7709f7f94a16d4086e40a58a5c8aba

Aliases

arxiv: 2501.04077 · arxiv_version: 2501.04077v1 · doi: 10.48550/arxiv.2501.04077 · pith_short_12: 2OZOWJPFEEF2 · pith_short_16: 2OZOWJPFEEF27LSJ · pith_short_8: 2OZOWJPF

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/2OZOWJPFEEF27LSJ4GAMM2EC4J \
  | 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: d3b2eb25e5210bafae49e180c66882e26d7709f7f94a16d4086e40a58a5c8aba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b38bca04ce21da395bda919d01129d9251fa1310b6679b515f7fd46c2e23ceca",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-07T19:00:00Z",
    "title_canon_sha256": "b9ac0ca430ae88bd3e7e4c8a8bc4c416df711c3ccbc60f18c5ba6e468b4239a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.04077",
    "kind": "arxiv",
    "version": 1
  }
}