Pith Number

pith:RSAA2YKZ

pith:2019:RSAA2YKZPMTLOJRB3AWQ3ULFX4

not attested not anchored not stored refs pending

Confronting the Ellipsoidal Universe to the Planck 2018 Data

Paolo Cea

arxiv:1909.05111 v2 · 2019-09-10 · 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{RSAA2YKZPMTLOJRB3AWQ3ULFX4}

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	2026-07-05T00:18:10.537030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c800d61597b26b72621d82d0dd165bf2f4ffb1b705dd7f114432f30f3ed2fd3

Aliases

arxiv: 1909.05111 · arxiv_version: 1909.05111v2 · doi: 10.48550/arxiv.1909.05111 · pith_short_12: RSAA2YKZPMTL · pith_short_16: RSAA2YKZPMTLOJRB · pith_short_8: RSAA2YKZ

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/RSAA2YKZPMTLOJRB3AWQ3ULFX4 \
  | 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: 8c800d61597b26b72621d82d0dd165bf2f4ffb1b705dd7f114432f30f3ed2fd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "620197e0839fd84ca45881dd7b1b3a4db511cbce1d425bfa4decd2ad7a9a6807",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-09-10T10:46:51Z",
    "title_canon_sha256": "c9034cb1e6933cc79162e76d5739a4c23c42b10d4e417bae369c31109feaeead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05111",
    "kind": "arxiv",
    "version": 2
  }
}