Pith Number

pith:7DKO72G4

pith:2014:7DKO72G4VQ6GIJBB4XPUZRG4RE

not attested not anchored not stored refs pending

The Ellipsoidal Universe in the Planck Satellite Era

Paolo Cea

arxiv:1401.5627 v3 · 2014-01-22 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DKO72G4VQ6GIJBB4XPUZRG4RE}

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	2026-05-18T01:45:18.026550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8d4efe8dcac3c642421e5df4cc4dc8937d010d96a60126fe689aeecec5cc96b

Aliases

arxiv: 1401.5627 · arxiv_version: 1401.5627v3 · doi: 10.48550/arxiv.1401.5627 · pith_short_12: 7DKO72G4VQ6G · pith_short_16: 7DKO72G4VQ6GIJBB · pith_short_8: 7DKO72G4

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/7DKO72G4VQ6GIJBB4XPUZRG4RE \
  | 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: f8d4efe8dcac3c642421e5df4cc4dc8937d010d96a60126fe689aeecec5cc96b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f05e34db0dac9590b6bb99ffdac60e73f72c7a1f6a8ff752efbf3d8df68719ff",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-01-22T11:30:16Z",
    "title_canon_sha256": "af73777141e57feadfde7c63cbab362c0f74f551ba9c53f18b71f73643e5d7ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5627",
    "kind": "arxiv",
    "version": 3
  }
}