Pith Number

pith:PKMORDSP

pith:2008:PKMORDSPLJQ5FGAPZYB3HXQVA6

not attested not anchored not stored refs pending

The Szekeres Swiss Cheese model and the CMB observations

Krzysztof Bolejko

arxiv:0804.1846 v2 · 2008-04-11 · 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{PKMORDSPLJQ5FGAPZYB3HXQVA6}

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.

Cited by

1 paper in Pith

Physical geometry of the quasispherical Szekeres models

Receipt and verification

First computed	2026-07-04T15:47:21.190905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a98e88e4f5a61d2980fce03b3de150782a55404e30d24116a4120366e3e8758

Aliases

arxiv: 0804.1846 · arxiv_version: 0804.1846v2 · doi: 10.48550/arxiv.0804.1846 · pith_short_12: PKMORDSPLJQ5 · pith_short_16: PKMORDSPLJQ5FGAP · pith_short_8: PKMORDSP

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/PKMORDSPLJQ5FGAPZYB3HXQVA6 \
  | 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: 7a98e88e4f5a61d2980fce03b3de150782a55404e30d24116a4120366e3e8758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cc79916543eb5c35299002cdbfbf8def32cdcbfe5208a9ac556a49779f3f904",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-11T08:13:30Z",
    "title_canon_sha256": "8cd43eda28011ffb0ec65a16d5351038dd5d0c43c16133c40789cce1eea08f05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.1846",
    "kind": "arxiv",
    "version": 2
  }
}