Pith Number

pith:Y7OCH62D

pith:2013:Y7OCH62DZPQATRMTEKJ4I4WVBR

not attested not anchored not stored refs pending

Cosmology or Catastrophe? A non-minimally coupled scalar in an inhomogeneous universe

Bret Underwood, Joseph Olson, Pawel Caputa, Sheikh Shajidul Haque

arxiv:1306.0012 v3 · 2013-05-31 · hep-th · 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{Y7OCH62DZPQATRMTEKJ4I4WVBR}

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	2026-05-18T03:09:48.454472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7dc23fb43cbe009c5932293c472d50c4766305b9655f209a66e75b5733b7d4b

Aliases

arxiv: 1306.0012 · arxiv_version: 1306.0012v3 · doi: 10.48550/arxiv.1306.0012 · pith_short_12: Y7OCH62DZPQA · pith_short_16: Y7OCH62DZPQATRMT · pith_short_8: Y7OCH62D

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/Y7OCH62DZPQATRMTEKJ4I4WVBR \
  | 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: c7dc23fb43cbe009c5932293c472d50c4766305b9655f209a66e75b5733b7d4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "673860692baf8348702346519b0c559ea89fb75572b3f5052004bbef8e5ef9b9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-05-31T20:00:11Z",
    "title_canon_sha256": "f6395b069965ce08f35fabf26dca7eb7a8a82c3d5d72bf6e41f4d118d6e8cc28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0012",
    "kind": "arxiv",
    "version": 3
  }
}