Pith Number

pith:67X7KYRY

pith:2026:67X7KYRYLUFFSIMC5VWJZYSE6F

not attested not anchored not stored refs pending

Unimodular quantum cosmology in the connection representation: A minimal model

Shinji Yamashita

arxiv:2602.19704 v2 · 2026-02-23 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67X7KYRYLUFFSIMC5VWJZYSE6F}

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	2026-07-27T00:19:47.168749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7eff562385d0a592182ed6c9ce244f15777899676522c1cef879670354bc646

Aliases

arxiv: 2602.19704 · arxiv_version: 2602.19704v2 · doi: 10.48550/arxiv.2602.19704 · pith_short_12: 67X7KYRYLUFF · pith_short_16: 67X7KYRYLUFFSIMC · pith_short_8: 67X7KYRY

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/67X7KYRYLUFFSIMC5VWJZYSE6F \
  | 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: f7eff562385d0a592182ed6c9ce244f15777899676522c1cef879670354bc646

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62d11ec6e3fa402accb48b583d2550110e16deb1d8483c8c40198af8c447e65f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-02-23T10:54:13Z",
    "title_canon_sha256": "dc3892211044bcdf3f7b49e3b273fa82c1a6f5d244c1cb2d179af8bdbc281fa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.19704",
    "kind": "arxiv",
    "version": 2
  }
}