Pith Number

pith:T4MBZT76

pith:1996:T4MBZT76NV5V6CUAUV6HTFPB54

not attested not anchored not stored refs pending

Evolution of the Hubble Sequence in Hierarchical Models for Galaxy Formation

C.M. Baugh, C.S. Frenk (Durham University, S. Cole, UK)

arxiv:astro-ph/9602085 v1 · 1996-02-17 · 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{T4MBZT76NV5V6CUAUV6HTFPB54}

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	2026-05-18T01:40:21.789643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f181ccffe6d7b5f0a80a57c7995e1ef38028ecb0e2f422ccc3bc5a793566efa

Aliases

arxiv: astro-ph/9602085 · arxiv_version: astro-ph/9602085v1 · doi: 10.48550/arxiv.astro-ph/9602085 · pith_short_12: T4MBZT76NV5V · pith_short_16: T4MBZT76NV5V6CUA · pith_short_8: T4MBZT76

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/T4MBZT76NV5V6CUAUV6HTFPB54 \
  | 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: 9f181ccffe6d7b5f0a80a57c7995e1ef38028ecb0e2f422ccc3bc5a793566efa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96641d888a4fea5274446fe0b5ff4ec408c0de943948be8f3b47c7863db6b962",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-02-17T12:46:37Z",
    "title_canon_sha256": "4fc5acbf2d031d03bdd9f7c370dcfaa3d2b2cc94b44f24109d013be96d0a2dfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9602085",
    "kind": "arxiv",
    "version": 1
  }
}