Pith Number

pith:2KVZKPUV

pith:2022:2KVZKPUVTOBJD2BKWTYWB6A33T

not attested not anchored not stored refs pending

Emergent Universe from Energy-Momentum Squared Gravity

Alireza Allahyari, Mohsen Khodadi, Salvatore Capozziello

arxiv:2203.13496 v1 · 2022-03-25 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KVZKPUVTOBJD2BKWTYWB6A33T}

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	2026-07-05T04:11:12.807124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2ab953e959b8291e82ab4f160f81bdcc08c93d9ce303154d8348ea377e498b6

Aliases

arxiv: 2203.13496 · arxiv_version: 2203.13496v1 · doi: 10.48550/arxiv.2203.13496 · pith_short_12: 2KVZKPUVTOBJ · pith_short_16: 2KVZKPUVTOBJD2BK · pith_short_8: 2KVZKPUV

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/2KVZKPUVTOBJD2BKWTYWB6A33T \
  | 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: d2ab953e959b8291e82ab4f160f81bdcc08c93d9ce303154d8348ea377e498b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e426400f973750b0b2b3eb2d1c1db9b8b9f9d9a595f86bbcb033dc54f852e65",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-03-25T08:13:57Z",
    "title_canon_sha256": "71bc4c04ae153edc93ebc1b05ce442d396f699c23d4c2cd56a9f5d66e789149f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.13496",
    "kind": "arxiv",
    "version": 1
  }
}