Pith Number

pith:PUFUQY7G

pith:2020:PUFUQY7GVISHYYAW4GBZKG26QP

not attested not anchored not stored refs pending

Variation of the speed of light and a minimum speed in the scenario of an inflationary universe with accelerated expansion

Claudio Nassif Cruz, Fernando A. Silva

arxiv:2009.05397 v1 · 2020-09-11 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUFUQY7GVISHYYAW4GBZKG26QP}

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	2026-07-05T01:34:45.175888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d0b4863e6aa247c6016e183951b5e83f762306b83f48dbfde334bfa3fba0d6f

Aliases

arxiv: 2009.05397 · arxiv_version: 2009.05397v1 · doi: 10.48550/arxiv.2009.05397 · pith_short_12: PUFUQY7GVISH · pith_short_16: PUFUQY7GVISHYYAW · pith_short_8: PUFUQY7G

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/PUFUQY7GVISHYYAW4GBZKG26QP \
  | 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: 7d0b4863e6aa247c6016e183951b5e83f762306b83f48dbfde334bfa3fba0d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0208787f6c598298bc2dcc302f221d63c020e3017038ae374be99dd96797ff98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2020-09-11T16:20:07Z",
    "title_canon_sha256": "a63d4d8b950d246259ad2828ab7bfb0f2f4d8cd3c074b07b77cf85a7ced4d15c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05397",
    "kind": "arxiv",
    "version": 1
  }
}