Pith Number

pith:5FBNFEXZ

pith:1999:5FBNFEXZ6VW47NLIQ43MEEXFJ3

not attested not anchored not stored refs pending

Ab initio galaxy formation

A.J. Benson, C.G. Lacey (Durham), C.M. Baugh, C.S. Frenk, S. Cole

arxiv:astro-ph/9907056 v1 · 1999-07-05 · 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{5FBNFEXZ6VW47NLIQ43MEEXFJ3}

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	2026-07-04T14:16:51.961780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e942d292f9f56dcfb5688736c212e54ece10bfc48fb4ab561c10cab3014b94fd

Aliases

arxiv: astro-ph/9907056 · arxiv_version: astro-ph/9907056v1 · doi: 10.48550/arxiv.astro-ph/9907056 · pith_short_12: 5FBNFEXZ6VW4 · pith_short_16: 5FBNFEXZ6VW47NLI · pith_short_8: 5FBNFEXZ

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/5FBNFEXZ6VW47NLIQ43MEEXFJ3 \
  | 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: e942d292f9f56dcfb5688736c212e54ece10bfc48fb4ab561c10cab3014b94fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08e66cd48484cfb838601b9222698f8494d10fab1b1522c2450f8d5207fc878a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-05T18:14:33Z",
    "title_canon_sha256": "55b5d4054bc86a3f1a21b02ebaf6a458d31118b77fa6c677d7052f751dda852c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907056",
    "kind": "arxiv",
    "version": 1
  }
}