Pith Number

pith:LB55N5IU

pith:2004:LB55N5IUJ5BIMOMSGEDVSI2P4H

not attested not anchored not stored refs pending

How Do Galaxies Get Their Gas?

David H. Weinberg (Ohio State), Dusan Keres (UMass), Neal Katz (UMass), Romeel Dave (U. of Arizona)

arxiv:astro-ph/0407095 v2 · 2004-07-05 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LB55N5IUJ5BIMOMSGEDVSI2P4H}

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

Weak Evolution of Cosmic Atomic Hydrogen over the Past 4.5 Billion Years

Receipt and verification

First computed	2026-07-04T15:20:14.390447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

587bd6f5144f42863992310759234fe1cac1a1bc3b3fa16c3f766bbe6584e7dd

Aliases

arxiv: astro-ph/0407095 · arxiv_version: astro-ph/0407095v2 · doi: 10.48550/arxiv.astro-ph/0407095 · pith_short_12: LB55N5IUJ5BI · pith_short_16: LB55N5IUJ5BIMOMS · pith_short_8: LB55N5IU

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/LB55N5IUJ5BIMOMSGEDVSI2P4H \
  | 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: 587bd6f5144f42863992310759234fe1cac1a1bc3b3fa16c3f766bbe6584e7dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b7e6116c2f18dc8aa5089508f13094ff48d940d081a7b48dd2bf26179cf20ce",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-05T20:23:55Z",
    "title_canon_sha256": "b6b8055e0de8fbe68e6fcda66ec01b09623761a882c969cf1bcebccbcedbe2ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407095",
    "kind": "arxiv",
    "version": 2
  }
}