Pith Number

pith:33MTETGN

pith:1998:33MTETGNGM74ZC5JYHPXROMCHC

not attested not anchored not stored refs pending

Hybrid galaxy formation

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

arxiv:astro-ph/9809171 v1 · 1998-09-14 · 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{33MTETGNGM74ZC5JYHPXROMCHC}

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	2026-07-04T14:16:01.604873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded9324ccd333fcc8ba9c1df78b98238a3b4e8e03f9ecff9821bedddf938547f

Aliases

arxiv: astro-ph/9809171 · arxiv_version: astro-ph/9809171v1 · doi: 10.48550/arxiv.astro-ph/9809171 · pith_short_12: 33MTETGNGM74 · pith_short_16: 33MTETGNGM74ZC5J · pith_short_8: 33MTETGN

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/33MTETGNGM74ZC5JYHPXROMCHC \
  | 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: ded9324ccd333fcc8ba9c1df78b98238a3b4e8e03f9ecff9821bedddf938547f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac912e9b9ffcf678043bf73d3aa09d7d2526df4eaac8564ce3981b7c80e42cae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-09-14T14:07:35Z",
    "title_canon_sha256": "6e9225589922fe0be4d48ef3f410fdaae2713623bfaf365744ebc79ad36cf359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9809171",
    "kind": "arxiv",
    "version": 1
  }
}