Pith Number

pith:VWRWDGVO

pith:2009:VWRWDGVO5WBMEN46KFNCPKXNBO

not attested not anchored not stored refs pending

Reconstruction of the Primordial Power Spectrum by Direct Inversion

Carlo R. Contaldi, Gavin Nicholson, Paniez Paykari

arxiv:0909.5092 v1 · 2009-09-28 · 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{VWRWDGVO5WBMEN46KFNCPKXNBO}

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

Reconstructing inflationary features on large scales using genetic algorithm

Receipt and verification

First computed	2026-05-18T02:34:27.408411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ada3619aaeed82c2379e515a27aaed0b85cfe4eba63a508c5e689d54dd295237

Aliases

arxiv: 0909.5092 · arxiv_version: 0909.5092v1 · doi: 10.48550/arxiv.0909.5092 · pith_short_12: VWRWDGVO5WBM · pith_short_16: VWRWDGVO5WBMEN46 · pith_short_8: VWRWDGVO

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/VWRWDGVO5WBMEN46KFNCPKXNBO \
  | 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: ada3619aaeed82c2379e515a27aaed0b85cfe4eba63a508c5e689d54dd295237

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99639c97702df2b60dc6f6bdfe98297ee1255f5ee4331080ad9edaa71dc369d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-28T13:41:35Z",
    "title_canon_sha256": "4e0265a91de5576c4097fec46794593a818b6617664e07cb98ab252c84b0c1e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5092",
    "kind": "arxiv",
    "version": 1
  }
}