Pith Number

pith:JEP7XMNF

pith:2021:JEP7XMNFQQBELHRHUA63BXCZYH

not attested not anchored not stored refs pending

Varying fundamental constants principal component analysis: additional hints about the Hubble tension

Jens Chluba, Luke Hart

arxiv:2107.12465 v1 · 2021-07-26 · 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{JEP7XMNFQQBELHRHUA63BXCZYH}

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

Running into tension: primordial black holes from ultra-slow-roll inflation, spectral running, and the Hubble tension

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

Receipt and verification

First computed	2026-07-05T03:21:56.684836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

491ffbb1a58402459e27a03db0dc59c1cb9e9b8fff2f3c3e2c9dc999705eaefc

Aliases

arxiv: 2107.12465 · arxiv_version: 2107.12465v1 · doi: 10.48550/arxiv.2107.12465 · pith_short_12: JEP7XMNFQQBE · pith_short_16: JEP7XMNFQQBELHRH · pith_short_8: JEP7XMNF

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/JEP7XMNFQQBELHRHUA63BXCZYH \
  | 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: 491ffbb1a58402459e27a03db0dc59c1cb9e9b8fff2f3c3e2c9dc999705eaefc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "326cfc73c3eadbc54ef46d2e8078d7a0e1c3b568b0bb103d76d2bb0a11743ddc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-07-26T20:34:59Z",
    "title_canon_sha256": "8cbafa141c9d32d02ca9c2e2b3f40790e232c803909489c5dfb27d19c52287e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12465",
    "kind": "arxiv",
    "version": 1
  }
}