Pith. sign in
Pith Number

pith:6R2VA47M

pith:2019:6R2VA47MUSWHNFG4ZLK7GJ5NMG
not attested not anchored not stored refs pending

Measuring the Hubble function with standard candle clustering

Luca Amendola (Heidelberg University), Miguel Quartin (Universidade Federal do Rio de Janeiro)

arxiv:1912.10255 v3 · 2019-12-21 · astro-ph.CO · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6R2VA47MUSWHNFG4ZLK7GJ5NMG}

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

Receipt and verification
First computed 2026-07-05T02:52:56.306726Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f4755073eca4ac7694dccad5f327ad61abac3e8dfe3f45928818ee2b9b36bc0a

Aliases

arxiv: 1912.10255 · arxiv_version: 1912.10255v3 · doi: 10.48550/arxiv.1912.10255 · pith_short_12: 6R2VA47MUSWH · pith_short_16: 6R2VA47MUSWHNFG4 · pith_short_8: 6R2VA47M
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6R2VA47MUSWHNFG4ZLK7GJ5NMG \
  | 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: f4755073eca4ac7694dccad5f327ad61abac3e8dfe3f45928818ee2b9b36bc0a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "da429fdb7b306a0b5a026bc6988639317529ea65e80e1919c468ca769078eeb6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-12-21T12:30:18Z",
    "title_canon_sha256": "85e98eeb5727006ab6c8d5b47ff1e560c9fe71eb3f614653c5e02ca12a16d87a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10255",
    "kind": "arxiv",
    "version": 3
  }
}