Pith Number

pith:5NAKKFOT

pith:2025:5NAKKFOTJ7J3KNUTLFOZLDDUWB

not attested not anchored not stored refs pending

G\"{o}del-type universes in unimodular gravity

A. F. Santos, R. Bufalo, R. Raimarda

arxiv:2506.11717 v1 · 2025-06-13 · 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{5NAKKFOTJ7J3KNUTLFOZLDDUWB}

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	2026-07-05T11:21:09.585536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb40a515d34fd3b53693595d958c74b054bc427053c250af8d5d51c1c6263c64

Aliases

arxiv: 2506.11717 · arxiv_version: 2506.11717v1 · doi: 10.48550/arxiv.2506.11717 · pith_short_12: 5NAKKFOTJ7J3 · pith_short_16: 5NAKKFOTJ7J3KNUT · pith_short_8: 5NAKKFOT

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/5NAKKFOTJ7J3KNUTLFOZLDDUWB \
  | 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: eb40a515d34fd3b53693595d958c74b054bc427053c250af8d5d51c1c6263c64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bd31df946cd82756218cd76ce19f00b5e10ac5136bb7a72a207c820279ee130",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-06-13T12:33:43Z",
    "title_canon_sha256": "d4151ef387223563f5a6cf4dd5831de0632f21b0a79a24374ee3e953b6af95b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.11717",
    "kind": "arxiv",
    "version": 1
  }
}