Pith Number

pith:CIKTQJLZ

pith:2009:CIKTQJLZSPOQBKEIW4O4ZGVQDA

not attested not anchored not stored refs pending

A critical look at cosmological perturbation theory techniques

Jordan Carlson, Martin White, Nikhil Padmanabhan

arxiv:0905.0479 v1 · 2009-05-04 · 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{CIKTQJLZSPOQBKEIW4O4ZGVQDA}

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

Perturbation-theory informed integrators for cosmological simulations

Receipt and verification

First computed	2026-07-04T16:21:49.357817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

121538257993dd00a888b71dcc9ab0180e1c336b411f5d3551106dca54c84607

Aliases

arxiv: 0905.0479 · arxiv_version: 0905.0479v1 · doi: 10.48550/arxiv.0905.0479 · pith_short_12: CIKTQJLZSPOQ · pith_short_16: CIKTQJLZSPOQBKEI · pith_short_8: CIKTQJLZ

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/CIKTQJLZSPOQBKEIW4O4ZGVQDA \
  | 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: 121538257993dd00a888b71dcc9ab0180e1c336b411f5d3551106dca54c84607

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c6febc04677a3bcf20c0f32c326f9e68616f3d70b9d886d3462a5ebcb88a005",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-04T22:24:22Z",
    "title_canon_sha256": "81a602db519694e07a00096db73036f0829b32e71a81524e740dd2ba354896ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0479",
    "kind": "arxiv",
    "version": 1
  }
}