Pith Number

pith:MGPVPQ2Y

pith:2023:MGPVPQ2Y3DIURFOJ66RSSF4CTB

not attested not anchored not stored refs pending

Fab-Four cosmography to tackle the Hubble tension

Celia Escamilla-Rivera, Jos\'e Mar\'ia de Albornoz-Caratozzolo, Sebasti\'an N\'ajera

arxiv:2306.14855 v1 · 2023-06-26 · gr-qc · 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{MGPVPQ2Y3DIURFOJ66RSSF4CTB}

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	2026-07-05T06:25:55.068876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

619f57c358d8d14895c9f7a32917829873d5906eb998d7119965f2911ea810b9

Aliases

arxiv: 2306.14855 · arxiv_version: 2306.14855v1 · doi: 10.48550/arxiv.2306.14855 · pith_short_12: MGPVPQ2Y3DIU · pith_short_16: MGPVPQ2Y3DIURFOJ · pith_short_8: MGPVPQ2Y

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/MGPVPQ2Y3DIURFOJ66RSSF4CTB \
  | 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: 619f57c358d8d14895c9f7a32917829873d5906eb998d7119965f2911ea810b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c089ecf49cfa8d9538de8eefdff59ccd1680f3d8f58dff0016812413a2e1e3d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-06-26T17:08:57Z",
    "title_canon_sha256": "56ac4bbcfc34c0d1ef9b5fc4316203f5486e3bfb2c63a99f227a11d5b0d5af3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.14855",
    "kind": "arxiv",
    "version": 1
  }
}