Pith Number

pith:7CFO3WXP

pith:2023:7CFO3WXPZIOW644BESNAX53N6X

not attested not anchored not stored refs pending

Constraining minimally extended varying speed of light by cosmological chronometers

Seokcheon Lee

arxiv:2301.06947 v3 · 2023-01-17 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7CFO3WXPZIOW644BESNAX53N6X}

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

Alleviating the Hubble Tension via Cosmological Time Dilation in the meVSL Model

Receipt and verification

First computed	2026-07-05T06:06:29.484821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f88aeddaefca1d6f7381249a0bf76df5c3d26661666bc6d2dbc651096ce69a2d

Aliases

arxiv: 2301.06947 · arxiv_version: 2301.06947v3 · doi: 10.48550/arxiv.2301.06947 · pith_short_12: 7CFO3WXPZIOW · pith_short_16: 7CFO3WXPZIOW644B · pith_short_8: 7CFO3WXP

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/7CFO3WXPZIOW644BESNAX53N6X \
  | 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: f88aeddaefca1d6f7381249a0bf76df5c3d26661666bc6d2dbc651096ce69a2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0f2f321f7efe648dbb08d6d185bf271288796c5032e57add79b7ec18d2accb5",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-01-17T15:14:48Z",
    "title_canon_sha256": "2ea9d0d43c28ba0a3646a37f9b5db385557c26758ad1ada25c6d76d40fe55b73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.06947",
    "kind": "arxiv",
    "version": 3
  }
}