Pith Number

pith:FEOG5LWF

pith:2010:FEOG5LWFC5F7BOUBC3XK22RTYV

not attested not anchored not stored refs pending

Forecast for the Planck precision on the tensor to scalar ratio and other cosmological parameters

A. Gruppuso, C. Burigana, C. Destri, H. J. de Vega, N. G. Sanchez, N. Mandolesi, P. Natoli

arxiv:1003.6108 v2 · 2010-03-31 · astro-ph.CO · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEOG5LWFC5F7BOUBC3XK22RTYV}

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	2026-05-18T02:08:15.397037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

291c6eaec5174bf0ba8116eead6a33c57e93088e8457b21664d831a2d774ca42

Aliases

arxiv: 1003.6108 · arxiv_version: 1003.6108v2 · doi: 10.48550/arxiv.1003.6108 · pith_short_12: FEOG5LWFC5F7 · pith_short_16: FEOG5LWFC5F7BOUB · pith_short_8: FEOG5LWF

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/FEOG5LWFC5F7BOUBC3XK22RTYV \
  | 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: 291c6eaec5174bf0ba8116eead6a33c57e93088e8457b21664d831a2d774ca42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2910811513a2fa497ea32a91cc9b3a702bd2f2324ad9faf960be91bb3491e75",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-31T17:59:00Z",
    "title_canon_sha256": "a43e369f5a88b93cc600302ba920790cc9bcaafa5c8d4c296999221be4cde38b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.6108",
    "kind": "arxiv",
    "version": 2
  }
}