Pith Number

pith:5DVPKKGE

pith:2022:5DVPKKGEESFB3I5FOXB5SYFYRK

not attested not anchored not stored refs pending

Measuring the Hubble Constant with cosmic chronometers: a machine learning approach

Carlos Bengaly, Jailson Alcaniz, Luciano Casarini, Maria Aldinez Dantas

arxiv:2209.09017 v3 · 2022-09-19 · 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{5DVPKKGEESFB3I5FOXB5SYFYRK}

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.

Cited by

1 paper in Pith

Reconstructing Cosmic History with Machine Learning: A Study Using CART, MLPR, and SVR

Receipt and verification

First computed	2026-07-05T06:28:14.250904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8eaf528c4248a1da3a575c3d960b88aa4fb711b40766b4ba35883d54285d16b

Aliases

arxiv: 2209.09017 · arxiv_version: 2209.09017v3 · doi: 10.48550/arxiv.2209.09017 · pith_short_12: 5DVPKKGEESFB · pith_short_16: 5DVPKKGEESFB3I5F · pith_short_8: 5DVPKKGE

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/5DVPKKGEESFB3I5FOXB5SYFYRK \
  | 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: e8eaf528c4248a1da3a575c3d960b88aa4fb711b40766b4ba35883d54285d16b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82c4874eaf5ce198ac14a822951061ca4008fd421dd4e2fb183b81d7fa049345",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-09-19T13:54:50Z",
    "title_canon_sha256": "430aad346724ac5262f78b0b193936c5cb06e459a790ebf1f44c5fd95fbf0cf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.09017",
    "kind": "arxiv",
    "version": 3
  }
}