Pith Number

pith:LSCWSZVM

pith:2009:LSCWSZVMMGTJEDFNV2LCA6AAKS

not attested not anchored not stored refs pending

Cosmological background solutions and cosmological backreactions

Edward W. Kolb, Sabino Matarrese, Valerio Marra

arxiv:0901.4566 v2 · 2009-01-28 · 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{LSCWSZVMMGTJEDFNV2LCA6AAKS}

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	2026-05-18T04:42:03.479883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c856966ac61a6920cadae9620780054a72183aa0ab8b4b7af35ba3c653a901f

Aliases

arxiv: 0901.4566 · arxiv_version: 0901.4566v2 · doi: 10.48550/arxiv.0901.4566 · pith_short_12: LSCWSZVMMGTJ · pith_short_16: LSCWSZVMMGTJEDFN · pith_short_8: LSCWSZVM

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/LSCWSZVMMGTJEDFNV2LCA6AAKS \
  | 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: 5c856966ac61a6920cadae9620780054a72183aa0ab8b4b7af35ba3c653a901f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791542ec536dae3076097e8071230c4974c878f50e5f9dcaf54ab1ccf62e69a9",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-28T22:30:20Z",
    "title_canon_sha256": "9b782534294d224c02a8e50d5750eae897f959f5161d08291554359e659c7697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4566",
    "kind": "arxiv",
    "version": 2
  }
}