Pith Number

pith:KFQIFYB3

pith:2020:KFQIFYB3YJBZLV3EADMCUXIB2I

not attested not anchored not stored refs pending

Probing alternative cosmologies through the inverse distance ladder

Jonas Rezacek, Kevin Max, Manfred Lindner, Moritz Platscher

arxiv:2002.01487 v2 · 2020-02-04 · 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{KFQIFYB3YJBZLV3EADMCUXIB2I}

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	2026-07-05T01:43:24.317645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

516082e03bc24395d76400d82a5d01d200516494578aa319cc64f5d02dfdfa72

Aliases

arxiv: 2002.01487 · arxiv_version: 2002.01487v2 · doi: 10.48550/arxiv.2002.01487 · pith_short_12: KFQIFYB3YJBZ · pith_short_16: KFQIFYB3YJBZLV3E · pith_short_8: KFQIFYB3

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/KFQIFYB3YJBZLV3EADMCUXIB2I \
  | 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: 516082e03bc24395d76400d82a5d01d200516494578aa319cc64f5d02dfdfa72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b61900dc81318fd995f2b30b69b836832fdb6d3dc44e44267aa966f46062c4ef",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-02-04T19:00:03Z",
    "title_canon_sha256": "fce5e033ca13546ad9bb87ec46cb879a6e383f113245bef37232e84ae51694a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01487",
    "kind": "arxiv",
    "version": 2
  }
}