Pith Number

pith:H5VNDOQJ

pith:2024:H5VNDOQJUNT5HFRLI4JIZMIXLX

not attested not anchored not stored refs pending

Smoothing and flattening the universe through slow contraction versus inflation

Anna Ijjas, David Garfinkle, Paul J. Steinhardt, William G. Cook

arxiv:2404.00867 v2 · 2024-04-01 · gr-qc · 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{H5VNDOQJUNT5HFRLI4JIZMIXLX}

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

Starting inflation in asymptotically flat spacetimes

Non-Gaussianity and Strong-Coupling Problem in a Two-Field DHOST Bouncing Model

Receipt and verification

First computed	2026-07-05T08:03:30.607335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f6ad1ba09a367d3962b47128cb1175de735ab5a7a9f4221d2cbb46d1581d962

Aliases

arxiv: 2404.00867 · arxiv_version: 2404.00867v2 · doi: 10.48550/arxiv.2404.00867 · pith_short_12: H5VNDOQJUNT5 · pith_short_16: H5VNDOQJUNT5HFRL · pith_short_8: H5VNDOQJ

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/H5VNDOQJUNT5HFRLI4JIZMIXLX \
  | 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: 3f6ad1ba09a367d3962b47128cb1175de735ab5a7a9f4221d2cbb46d1581d962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c948b7a36c1f17bc4b0cf8037c111f4559b1aa8173f9bd80ea0910e296ebac5d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-04-01T02:26:28Z",
    "title_canon_sha256": "eb1e3160cda42779f83f5822a1a6f67b7ba0dae6128d447161e513dcffa9f6cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.00867",
    "kind": "arxiv",
    "version": 2
  }
}