Pith Number

pith:3XHFA4D6

pith:1995:3XHFA4D67XQ7XOAAT7ZVMKBBWF

not attested not anchored not stored refs pending

Evidence for a Very Large-Scale Fractal Structure in the Universe from Cobe Measurements

A. Hetem, C.A.W. de Souza, E.M. de Gouveia Dal Pino, J.C.N. de Araujo, J.E. Horvath, T. Villela

arxiv:astro-ph/9502048 v1 · 1995-02-08 · 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{3XHFA4D67XQ7XOAAT7ZVMKBBWF}

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	2026-05-18T01:07:42.310778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddce50707efde1fbb8009ff3562821b148f82e6a24e8fd3489827f57cc89cfde

Aliases

arxiv: astro-ph/9502048 · arxiv_version: astro-ph/9502048v1 · doi: 10.48550/arxiv.astro-ph/9502048 · pith_short_12: 3XHFA4D67XQ7 · pith_short_16: 3XHFA4D67XQ7XOAA · pith_short_8: 3XHFA4D6

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/3XHFA4D67XQ7XOAAT7ZVMKBBWF \
  | 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: ddce50707efde1fbb8009ff3562821b148f82e6a24e8fd3489827f57cc89cfde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d37f9096299664f58cd9c0d64ed36a6ec242f099781f14c15c98492e5ca017d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-02-08T15:54:42Z",
    "title_canon_sha256": "75b299629c212811b17a439a939e5efec39a2ae8945356facad36c08883fcc86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9502048",
    "kind": "arxiv",
    "version": 1
  }
}