Pith Number

pith:XAYVJNXS

pith:2025:XAYVJNXS63OZBELX2KMKSKABFA

not attested not anchored not stored refs pending

The Impact of Molecular Hydrogen Cooling on the Galaxy Formation Threshold

Ethan O. Nadler

arxiv:2503.04885 v2 · 2025-03-06 · 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{XAYVJNXS63OZBELX2KMKSKABFA}

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

1 paper in Pith

Constraining Cosmological and Astrophysical Parameters with the Cosmic Star Formation History

Receipt and verification

First computed	2026-07-05T10:46:01.862258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83154b6f2f6dd909177d298a92801283dd4d957faf4c0dd7ecfd93a91506356

Aliases

arxiv: 2503.04885 · arxiv_version: 2503.04885v2 · doi: 10.48550/arxiv.2503.04885 · pith_short_12: XAYVJNXS63OZ · pith_short_16: XAYVJNXS63OZBELX · pith_short_8: XAYVJNXS

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/XAYVJNXS63OZBELX2KMKSKABFA \
  | 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: b83154b6f2f6dd909177d298a92801283dd4d957faf4c0dd7ecfd93a91506356

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "503d2524b6d96e2146d38f79b4ec9e40b5aef7abe1787d946c8658d77408ae66",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-03-06T19:00:00Z",
    "title_canon_sha256": "24f1126c495e93a62b5c32101930ebda37dd97e32a9923d3e3ef7a57c7dd6b35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.04885",
    "kind": "arxiv",
    "version": 2
  }
}