Pith Number

pith:MZIDCTAW

pith:2024:MZIDCTAWCYCCEMWPB2USHBQUW7

not attested not anchored not stored refs pending

Underestimation of Hubble constant error bars: a historical analysis

Martin Lopez-Corredoira

arxiv:2411.13621 v1 · 2024-11-20 · physics.hist-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZIDCTAWCYCCEMWPB2USHBQUW7}

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	2026-07-05T09:38:34.640789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6650314c1616042232cf0ea9238614b7f050d55deb813dbe5dbbefd54db3bb98

Aliases

arxiv: 2411.13621 · arxiv_version: 2411.13621v1 · doi: 10.48550/arxiv.2411.13621 · pith_short_12: MZIDCTAWCYCC · pith_short_16: MZIDCTAWCYCCEMWP · pith_short_8: MZIDCTAW

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/MZIDCTAWCYCCEMWPB2USHBQUW7 \
  | 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: 6650314c1616042232cf0ea9238614b7f050d55deb813dbe5dbbefd54db3bb98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34f3978545c7b5d20c4f4829cd61a9bae33952df3c873ca914f3c485e5aa8037",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2024-11-20T11:49:53Z",
    "title_canon_sha256": "4ea5eca6666a799f07548bb54137b6bc37c874968d4e0a83e8a66f8f36ebe945"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.13621",
    "kind": "arxiv",
    "version": 1
  }
}