Pith Number

pith:W4XGWJKS

pith:2014:W4XGWJKSZ2N7N7ND2GJAWPQAFL

not attested not anchored not stored refs pending

Directional dependence of the local estimation of $H_0$ and the non perturbative effects of primordial curvature perturbations

Antonio Enea Romano, Sergio Andr\'es Vallejo

arxiv:1403.2034 v6 · 2014-03-09 · astro-ph.CO · gr-qc · 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{W4XGWJKSZ2N7N7ND2GJAWPQAFL}

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	2026-05-18T01:10:20.540981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72e6b2552ce9bf6fda3d1920b3e002accdf68a2073c85f92676baeb1e2ec794

Aliases

arxiv: 1403.2034 · arxiv_version: 1403.2034v6 · doi: 10.48550/arxiv.1403.2034 · pith_short_12: W4XGWJKSZ2N7 · pith_short_16: W4XGWJKSZ2N7N7ND · pith_short_8: W4XGWJKS

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/W4XGWJKSZ2N7N7ND2GJAWPQAFL \
  | 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: b72e6b2552ce9bf6fda3d1920b3e002accdf68a2073c85f92676baeb1e2ec794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "278c8a6ae436751c30826f45f62710e0805f824a1db1b55cf0983634cb67acf4",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-03-09T07:07:52Z",
    "title_canon_sha256": "62c1c569b1af038abd146a80149f62ee7eaa50d7dd51196400f8111c8991e1bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2034",
    "kind": "arxiv",
    "version": 6
  }
}