Pith Number

pith:47V2TG2I

pith:2009:47V2TG2I3UW7TE74NPV32Z4WIN

not attested not anchored not stored refs pending

Modelling Inhomogeneity in the Universe

Charles Hellaby

arxiv:0910.0350 v1 · 2009-10-02 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47V2TG2I3UW7TE74NPV32Z4WIN}

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	2026-07-04T17:18:53.037889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7eba99b48dd2df993fc6bebbd6796436361f7d629b850ffc0ec2c1756431ff6

Aliases

arxiv: 0910.0350 · arxiv_version: 0910.0350v1 · doi: 10.48550/arxiv.0910.0350 · pith_short_12: 47V2TG2I3UW7 · pith_short_16: 47V2TG2I3UW7TE74 · pith_short_8: 47V2TG2I

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/47V2TG2I3UW7TE74NPV32Z4WIN \
  | 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: e7eba99b48dd2df993fc6bebbd6796436361f7d629b850ffc0ec2c1756431ff6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ce13b92743f76909ee0b0fedb160e9d098ea75fa2023e43bf381c53c18e3a09",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-10-02T09:58:01Z",
    "title_canon_sha256": "cb4f56e483f5a0ba4c086482eeb319013cefe0d6b09a2a1cf30a24fa088d7f6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0350",
    "kind": "arxiv",
    "version": 1
  }
}