Pith Number

pith:HXHUPHML

pith:2026:HXHUPHMLCVMDCXL6IZOOKXLDWD

not attested not anchored not stored refs pending

(An)Isotropy in Pantheon+ and Type Ia supernova samples: intrinsic limits of directional tests

Antonio Quintana-Estell\'es, Pilar Ruiz-Lapuente

arxiv:2605.18470 v1 · 2026-05-18 · 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{HXHUPHMLCVMDCXL6IZOOKXLDWD}

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	2026-05-20T00:06:02.869228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dcf479d8b1558315d7e465ce55d63b0dbb976d5d8057b6b0e97c07995990877

Aliases

arxiv: 2605.18470 · arxiv_version: 2605.18470v1 · doi: 10.48550/arxiv.2605.18470 · pith_short_12: HXHUPHMLCVMD · pith_short_16: HXHUPHMLCVMDCXL6 · pith_short_8: HXHUPHML

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/HXHUPHMLCVMDCXL6IZOOKXLDWD \
  | 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: 3dcf479d8b1558315d7e465ce55d63b0dbb976d5d8057b6b0e97c07995990877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec645a8eae6a6b970c375fbf0a7788dbee8cacc2d647964d785ad7ca0ef374e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-18T14:28:04Z",
    "title_canon_sha256": "5d174648640ba1b50684046ea38bbcd2f7adc02a1c497920daf9a70b2dc96d86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18470",
    "kind": "arxiv",
    "version": 1
  }
}