Pith Number

pith:TW5BV7BG

pith:2017:TW5BV7BGOQEB7ZQYYGCNFYGLRA

not attested not anchored not stored refs pending

New constraints on time-dependent variations of fundamental constants using Planck data

Jens Chluba, Luke Hart

arxiv:1705.03925 v3 · 2017-05-10 · astro-ph.CO · 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{TW5BV7BGOQEB7ZQYYGCNFYGLRA}

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

4 papers in Pith

The Hubble tension: A decade review

What it takes to solve the Hubble tension through Modifications of Cosmological Recombination II: in light of ACT DR6 and DESI DR2

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

Geometric Constraints on the Pre-Recombination Expansion History from the Hubble Tension

Receipt and verification

First computed	2026-07-05T01:09:26.484984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dba1afc2674081fe618c184d2e0cb883ce8ec0b7650f7805b05035d52e053d8

Aliases

arxiv: 1705.03925 · arxiv_version: 1705.03925v3 · doi: 10.48550/arxiv.1705.03925 · pith_short_12: TW5BV7BGOQEB · pith_short_16: TW5BV7BGOQEB7ZQY · pith_short_8: TW5BV7BG

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/TW5BV7BGOQEB7ZQYYGCNFYGLRA \
  | 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: 9dba1afc2674081fe618c184d2e0cb883ce8ec0b7650f7805b05035d52e053d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ccfa8f884f05cc6f39d81324b8c5ff6c0d277852ed066d5d6659d927b420c75",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-05-10T19:05:40Z",
    "title_canon_sha256": "adc984a5a867dc0c2e59ed655d577c6c713ce1aec22b38a5a044e16bcc68514b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03925",
    "kind": "arxiv",
    "version": 3
  }
}