Pith Number

pith:KZDT2AM5

pith:2021:KZDT2AM5NJUMRDIGVY47GNJIA6

not attested not anchored not stored refs pending

Constraints on the minimally extended varying speed of light model using the Pantheon+ dataset

Seokcheon Lee

arxiv:2101.09862 v2 · 2021-01-25 · 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{KZDT2AM5NJUMRDIGVY47GNJIA6}

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

Hubble Tension and the G-step Model: Re-examination of Recent Constraints on Modified Local Physics

Receipt and verification

First computed	2026-07-05T08:33:59.137299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56473d019d6a68c88d06ae39f33528078e95809954eaa43c2cf62cc6a523b1a5

Aliases

arxiv: 2101.09862 · arxiv_version: 2101.09862v2 · doi: 10.48550/arxiv.2101.09862 · pith_short_12: KZDT2AM5NJUM · pith_short_16: KZDT2AM5NJUMRDIG · pith_short_8: KZDT2AM5

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/KZDT2AM5NJUMRDIGVY47GNJIA6 \
  | 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: 56473d019d6a68c88d06ae39f33528078e95809954eaa43c2cf62cc6a523b1a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cfa6ef589f3df9e81663e8902f5db0f3f40a16b056ff63a1988ea2f228ebaf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-01-25T02:37:48Z",
    "title_canon_sha256": "4e6a6823c132aeb39c86cee87b965d83e74282d672cb418d3cc96a3f7edd489b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09862",
    "kind": "arxiv",
    "version": 2
  }
}