Pith Number

pith:NX4VGUC7

pith:2023:NX4VGUC7TJIJJUHIXEHIRRJOMK

not attested not anchored not stored refs pending

Varying fundamental constants meet Hubble

Jens Chluba, Luke Hart

arxiv:2309.12083 v1 · 2023-09-21 · astro-ph.CO · gr-qc · 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{NX4VGUC7TJIJJUHIXEHIRRJOMK}

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

2 papers in Pith

The Hubble tension: A decade review

Cosmological Viability of Exponential Infrared $f(T)$ Gravity

Receipt and verification

First computed	2026-07-05T06:52:58.312477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6df953505f9a5094d0e8b90e88c52e62a6ab9a72f357eb0596d8d345a46179eb

Aliases

arxiv: 2309.12083 · arxiv_version: 2309.12083v1 · doi: 10.48550/arxiv.2309.12083 · pith_short_12: NX4VGUC7TJIJ · pith_short_16: NX4VGUC7TJIJJUHI · pith_short_8: NX4VGUC7

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/NX4VGUC7TJIJJUHIXEHIRRJOMK \
  | 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: 6df953505f9a5094d0e8b90e88c52e62a6ab9a72f357eb0596d8d345a46179eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "569943f02fb5a778a7ce22abd460c30c3fbf52dd1b62fe694dfee6b41b9a9037",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-09-21T13:54:48Z",
    "title_canon_sha256": "8c3b075a708edb73366130735cce4bc3c79ecd1dc1fb068fbd83ee170daa1a22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.12083",
    "kind": "arxiv",
    "version": 1
  }
}