Pith Number

pith:DSJ2NFUN

pith:2026:DSJ2NFUNFISYGULVQ5H2MNJWGI

not attested not anchored not stored refs pending

Gravity, Fine-Structure Constant and Natural Units -- some Thoughts based on Dimensional Analysis --

Robi Banerjee

arxiv:2605.18637 v1 · 2026-05-18 · 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{DSJ2NFUNFISYGULVQ5H2MNJWGI}

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.

Receipt and verification

First computed	2026-05-20T00:06:12.068516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c93a6968d2a25835175874fa6353632322614d9a51b06885d3826a1b87950d2

Aliases

arxiv: 2605.18637 · arxiv_version: 2605.18637v1 · doi: 10.48550/arxiv.2605.18637 · pith_short_12: DSJ2NFUNFISY · pith_short_16: DSJ2NFUNFISYGULV · pith_short_8: DSJ2NFUN

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/DSJ2NFUNFISYGULVQ5H2MNJWGI \
  | 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: 1c93a6968d2a25835175874fa6353632322614d9a51b06885d3826a1b87950d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41c1eb069cf76eedc2f6941d62ef76aea6f24d9871b9ed182d4351a19049865e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2026-05-18T16:44:34Z",
    "title_canon_sha256": "f5c34eb6da5a5acac1311349ea7016adc02598090f6eaf3bf5a8f13da1d203fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18637",
    "kind": "arxiv",
    "version": 1
  }
}