Pith Number

pith:NUA5T4AA

pith:2023:NUA5T4AAHY56E53BTASGPQYBOX

not attested not anchored not stored refs pending

Cosmic acceleration in entropic cosmology

I. D\'iaz-Salda\~na, Javier Chagoya, J. C. L\'opez-Dom\'inguez, M. Sabido

arxiv:2305.01607 v2 · 2023-05-02 · 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{NUA5T4AAHY56E53BTASGPQYBOX}

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	2026-07-05T07:52:40.139188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d01d9f0003e3be27761982467c30175c71746eae38d48353221867e300d3cd3

Aliases

arxiv: 2305.01607 · arxiv_version: 2305.01607v2 · doi: 10.48550/arxiv.2305.01607 · pith_short_12: NUA5T4AAHY56 · pith_short_16: NUA5T4AAHY56E53B · pith_short_8: NUA5T4AA

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/NUA5T4AAHY56E53BTASGPQYBOX \
  | 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: 6d01d9f0003e3be27761982467c30175c71746eae38d48353221867e300d3cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51858c648ed3555a4aa8df3173a00447ef3c6e6574a65deb01d911b6273c642f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-05-02T17:11:24Z",
    "title_canon_sha256": "0257e9e539548d6887bc9063ab3641882385c830034b6fc23d9bd14e46bcf219"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.01607",
    "kind": "arxiv",
    "version": 2
  }
}