Pith Number

pith:E6UIZBWH

pith:1998:E6UIZBWHSNN6WZRXAWR6ED3QM2

not attested not anchored not stored refs pending

Comment on the paper by L. Guzzo "Is the Universe homogeneous ?"

F. Sylos Labini, L. Pietronero, M. Montuori

arxiv:astro-ph/9801151 v1 · 1998-01-15 · astro-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6UIZBWHSNN6WZRXAWR6ED3QM2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:07:37.842933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a88c86c7935beb663705a3e20f7066b6d3580999796b5dacd44c48a5889168

Aliases

arxiv: astro-ph/9801151 · arxiv_version: astro-ph/9801151v1 · doi: 10.48550/arxiv.astro-ph/9801151 · pith_short_12: E6UIZBWHSNN6 · pith_short_16: E6UIZBWHSNN6WZRX · pith_short_8: E6UIZBWH

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/E6UIZBWHSNN6WZRXAWR6ED3QM2 \
  | 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: 27a88c86c7935beb663705a3e20f7066b6d3580999796b5dacd44c48a5889168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "468e95e4355d8b97584ac89cdde88b0937e7ad70a1eab2e6f5b24e56bd819d7c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-01-15T14:24:13Z",
    "title_canon_sha256": "75cdb37a812fbd4adee285bc0a0349245a8e3231fdef4b67cafb3f297c50c667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9801151",
    "kind": "arxiv",
    "version": 1
  }
}