Pith Number

pith:5DSLAZKY

pith:2009:5DSLAZKYY6MZ6O6PAVEMW3RITQ

not attested not anchored not stored refs pending

From Cavendish to PLANCK: Constraining Newton's Gravitational Constant with CMB Temperature and Polarization Anisotropy

Alessandro Melchiorri, George F. Smoot, Oliver Zahn, Silvia Galli

arxiv:0905.1808 v2 · 2009-05-12 · astro-ph.CO · gr-qc · hep-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{5DSLAZKYY6MZ6O6PAVEMW3RITQ}

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

Hubble Tension and the G-step Model: Re-examination of Recent Constraints on Modified Local Physics

Receipt and verification

First computed	2026-07-04T15:48:05.303447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8e4b06558c7999f3bcf0548cb6e289c17574af304a6fdbd1851cf28336f1f39

Aliases

arxiv: 0905.1808 · arxiv_version: 0905.1808v2 · doi: 10.48550/arxiv.0905.1808 · pith_short_12: 5DSLAZKYY6MZ · pith_short_16: 5DSLAZKYY6MZ6O6P · pith_short_8: 5DSLAZKY

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/5DSLAZKYY6MZ6O6PAVEMW3RITQ \
  | 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: e8e4b06558c7999f3bcf0548cb6e289c17574af304a6fdbd1851cf28336f1f39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fa0cf547af752d97450d4992de54c74ba855d8a4ffbd9bef925623c2b3cb289",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-12T10:36:52Z",
    "title_canon_sha256": "753dbc5ae33002ccdeb8342b33a1b373491521cf53090edd9d43364b11975d27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1808",
    "kind": "arxiv",
    "version": 2
  }
}