Pith Number

pith:KQZIZC4C

pith:2025:KQZIZC4CSGO5XYQOXPGFKU4E7K

not attested not anchored not stored refs pending

Covariant cosmography in the presence of local structures: comparing exact solutions and perturbation theory

Basheer Kalbouneh, Chris Clarkson, Christian Marinoni, Maharshi Sarma, Roy Maartens

arxiv:2510.03517 v2 · 2025-10-03 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQZIZC4CSGO5XYQOXPGFKU4E7K}

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

Supermassive black hole seeds from direct collapse of CDM-curvature peaks

Receipt and verification

First computed	2026-06-23T03:13:48.251380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54328c8b82919ddbe20ebbcc555384fa9c95f959bb6b138e892e5faad6d8a34c

Aliases

arxiv: 2510.03517 · arxiv_version: 2510.03517v2 · doi: 10.48550/arxiv.2510.03517 · pith_short_12: KQZIZC4CSGO5 · pith_short_16: KQZIZC4CSGO5XYQO · pith_short_8: KQZIZC4C

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/KQZIZC4CSGO5XYQOXPGFKU4E7K \
  | 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: 54328c8b82919ddbe20ebbcc555384fa9c95f959bb6b138e892e5faad6d8a34c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6d019c3c08eb1f052c6a1824f7bd175228b0a6bbcddcd6446e6efa3df1237c7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-10-03T21:06:22Z",
    "title_canon_sha256": "f49ea4f8633b3a169c09bd2c242a7c6ef20b06dd01dacf8af904abec5779b285"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.03517",
    "kind": "arxiv",
    "version": 2
  }
}