Pith Number

pith:6WGGOQB3

pith:2006:6WGGOQB3UGDN4JDNYLE5Q5OWIO

not attested not anchored not stored refs pending

Accuracy of slow-roll formulae for inflationary perturbations: implications for primordial black hole formation

George Efstathiou, Sirichai Chongchitnan

arxiv:astro-ph/0611818 v2 · 2006-11-27 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6WGGOQB3UGDN4JDNYLE5Q5OWIO}

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	2026-05-18T04:38:37.164076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f58c67403ba186de246dc2c9d875d643a78fea79cc4f62aea6c10812f89e004a

Aliases

arxiv: astro-ph/0611818 · arxiv_version: astro-ph/0611818v2 · doi: 10.48550/arxiv.astro-ph/0611818 · pith_short_12: 6WGGOQB3UGDN · pith_short_16: 6WGGOQB3UGDN4JDN · pith_short_8: 6WGGOQB3

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/6WGGOQB3UGDN4JDNYLE5Q5OWIO \
  | 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: f58c67403ba186de246dc2c9d875d643a78fea79cc4f62aea6c10812f89e004a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3c4388b93b18d494b82250e81ef28ee162d779d7c0715be0af201406b23615c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-27T20:41:28Z",
    "title_canon_sha256": "8f2802f85e966aee3607dc027c500d0629f3401cf33c739e745050c4fead522d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611818",
    "kind": "arxiv",
    "version": 2
  }
}