Pith Number

pith:OP7YCFNR

pith:1994:OP7YCFNRIS7BLKP4G6Y7XRW44B

not attested not anchored not stored refs pending

A Recipe for Galaxy Formation Shaun Cole

Alfonso Aragon-Salamanca, Carlos S. Frenk, Julio F. Navarro, Stephen E. Zepf

arxiv:astro-ph/9402001 v1 · 1994-02-01 · 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{OP7YCFNRIS7BLKP4G6Y7XRW44B}

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

Probing the faint-end of simulated galaxy counts at z>3

Receipt and verification

First computed	2026-05-18T01:40:26.311680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73ff8115b144be15a9fc37b1fbc6dce065564ba73fabb0b4177019cc495edaeb

Aliases

arxiv: astro-ph/9402001 · arxiv_version: astro-ph/9402001v1 · doi: 10.48550/arxiv.astro-ph/9402001 · pith_short_12: OP7YCFNRIS7B · pith_short_16: OP7YCFNRIS7BLKP4 · pith_short_8: OP7YCFNR

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/OP7YCFNRIS7BLKP4G6Y7XRW44B \
  | 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: 73ff8115b144be15a9fc37b1fbc6dce065564ba73fabb0b4177019cc495edaeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4af761e068513a4f15e104be69941dcab28240587411e10f44b4f9033e688941",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-02-01T09:06:53Z",
    "title_canon_sha256": "6d7b98f6d36929da43df6ef6f744890f79facca7acd95f30ee4ece6cf955dea1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9402001",
    "kind": "arxiv",
    "version": 1
  }
}