Pith Number

pith:UTAZBWYS

pith:2018:UTAZBWYSL4FXDCRJ6Y7XP76Z57

not attested not anchored not stored refs pending

Setting the Stage for Cosmic Chronometers. I. Assessing the Impact of Young Stellar Populations on Hubble Parameter Measurements

Andrea Cimatti, Annalisa Citro, Licia Verde, Lucia Pozzetti, Michele Moresco, Raul Jimenez

arxiv:1804.05864 v2 · 2018-04-16 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTAZBWYSL4FXDCRJ6Y7XP76Z57}

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

A Spectrum of Cosmological Rips and Their Observational Signatures

Receipt and verification

First computed	2026-05-17T23:48:45.878126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4c190db125f0b718a29f63f77ffd9eff77f71d80491601e4a157875f916f819

Aliases

arxiv: 1804.05864 · arxiv_version: 1804.05864v2 · doi: 10.48550/arxiv.1804.05864 · pith_short_12: UTAZBWYSL4FX · pith_short_16: UTAZBWYSL4FXDCRJ · pith_short_8: UTAZBWYS

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/UTAZBWYSL4FXDCRJ6Y7XP76Z57 \
  | 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: a4c190db125f0b718a29f63f77ffd9eff77f71d80491601e4a157875f916f819

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb0171b8bb1a97139a6c35247e67b4c8f4a6a198fabdf45867b6af94e19b6ef3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-16T18:02:28Z",
    "title_canon_sha256": "a94f9c7c5c9a8b627e645f75ada8dfafe86dbd47fd3a95f8b46d5bfbf9a2ab62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05864",
    "kind": "arxiv",
    "version": 2
  }
}