Pith Number

pith:Z3CZ5VAX

pith:2018:Z3CZ5VAXLYK5JUT53ZP5MRB6YZ

not attested not anchored not stored refs pending

Model independent $H(z)$ reconstruction using the cosmic inverse distance ladder

Elizabeth Lee, George Efstathiou, Pablo Lemos, Steven Gratton

arxiv:1806.06781 v2 · 2018-06-18 · 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{Z3CZ5VAXLYK5JUT53ZP5MRB6YZ}

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

4 papers in Pith

Cosmological intercept tension

Geometric Constraints on the Pre-Recombination Expansion History from the Hubble Tension

Double the axions, half the tension: multi-field early dark energy eases the Hubble tension

Planck 2018 results. VI. Cosmological parameters

Receipt and verification

First computed	2026-05-17T23:59:52.517867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cec59ed4175e15d4d27dde5fd6443ec666c650f71fc4c4886126fc6ad234fcfc

Aliases

arxiv: 1806.06781 · arxiv_version: 1806.06781v2 · doi: 10.48550/arxiv.1806.06781 · pith_short_12: Z3CZ5VAXLYK5 · pith_short_16: Z3CZ5VAXLYK5JUT5 · pith_short_8: Z3CZ5VAX

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/Z3CZ5VAXLYK5JUT53ZP5MRB6YZ \
  | 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: cec59ed4175e15d4d27dde5fd6443ec666c650f71fc4c4886126fc6ad234fcfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56f40d5943f5c4b2e213675ed6edb31cd9f9bbabe41f252065f75c039c0dd91f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-06-18T15:44:55Z",
    "title_canon_sha256": "8f0fed1c5876ce153b7c74bcc91591dffc0afb82adb5530505a5bd66f6dd6e6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06781",
    "kind": "arxiv",
    "version": 2
  }
}