Pith Number

pith:HGLUHLMS

pith:2021:HGLUHLMSYJO4PTQR4LQGUPFPX2

not attested not anchored not stored refs pending

Connection between cosmological time and the constants of Nature

Joao Magueijo

arxiv:2110.05920 v4 · 2021-10-12 · gr-qc · astro-ph.CO · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGLUHLMSYJO4PTQR4LQGUPFPX2}

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

How to make a Universe

Receipt and verification

First computed	2026-07-05T05:06:08.587606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

399743ad92c25dc7ce11e2e06a3cafbe92752c43393a112fc3238c237823cc2c

Aliases

arxiv: 2110.05920 · arxiv_version: 2110.05920v4 · doi: 10.48550/arxiv.2110.05920 · pith_short_12: HGLUHLMSYJO4 · pith_short_16: HGLUHLMSYJO4PTQR · pith_short_8: HGLUHLMS

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/HGLUHLMSYJO4PTQR4LQGUPFPX2 \
  | 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: 399743ad92c25dc7ce11e2e06a3cafbe92752c43393a112fc3238c237823cc2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff1b92386b44c33fb4de2eab9e4bdb14e9cb3b669bc6e1f2ad5f7720b1c5c1d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-10-12T12:05:47Z",
    "title_canon_sha256": "ffb1d68385c4f6529c0102205ba57e18d9578f3058864ad62dc0310ad77b84ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.05920",
    "kind": "arxiv",
    "version": 4
  }
}