Pith Number

pith:ZG5BTN4Y

pith:2025:ZG5BTN4Y2HSABZNYALKA4Q3LZN

not attested not anchored not stored refs pending

A positive correlation between broad HI Ly$\alpha$ absorptions and local overdensities of galaxies

Ismael Pessa, Jessica Werk, J. Xavier Prochaska, Karen Martinez-Acosta, Nicolas Tejos, Sebastian Lopez

arxiv:2504.15452 v2 · 2025-04-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZG5BTN4Y2HSABZNYALKA4Q3LZN}

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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

1 paper in Pith

Measurement of the Dispersion$\unicode{x2013}$Galaxy Cross-Power Spectrum with the Second CHIME/FRB Catalog

Receipt and verification

First computed	2026-07-05T11:14:58.609042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9ba19b798d1e400e5b802d40e436bcb5f14a1775f8269a6f3e46580766f0b3b

Aliases

arxiv: 2504.15452 · arxiv_version: 2504.15452v2 · doi: 10.48550/arxiv.2504.15452 · pith_short_12: ZG5BTN4Y2HSA · pith_short_16: ZG5BTN4Y2HSABZNY · pith_short_8: ZG5BTN4Y

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/ZG5BTN4Y2HSABZNYALKA4Q3LZN \
  | 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: c9ba19b798d1e400e5b802d40e436bcb5f14a1775f8269a6f3e46580766f0b3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f969f4b8a380446c9c19911b01580f85e8f5eaf01ca048ffccf920a5a86c409b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-04-21T21:37:03Z",
    "title_canon_sha256": "2e49d57d3c60cce4e46c3b4d5b0bb640644149dd5bedcd1c79c22701ee4d0f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15452",
    "kind": "arxiv",
    "version": 2
  }
}