Pith Number

pith:Q55UPIAM

pith:2013:Q55UPIAMURZ4SNFYNDDYEUHVMP

not attested not anchored not stored refs pending

Dark radiation and dark matter coupled to holographic Ricci dark energy

Luis P. Chimento, Mart\'in G. Richarte

arxiv:1303.3356 v1 · 2013-03-14 · 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{Q55UPIAMURZ4SNFYNDDYEUHVMP}

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	2026-05-18T03:28:19.077795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

877b47a00ca473c934b868c78250f563c6ea5cce6f6db09b7a60be32dbc569c0

Aliases

arxiv: 1303.3356 · arxiv_version: 1303.3356v1 · doi: 10.48550/arxiv.1303.3356 · pith_short_12: Q55UPIAMURZ4 · pith_short_16: Q55UPIAMURZ4SNFY · pith_short_8: Q55UPIAM

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/Q55UPIAMURZ4SNFYNDDYEUHVMP \
  | 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: 877b47a00ca473c934b868c78250f563c6ea5cce6f6db09b7a60be32dbc569c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca8705f595b8e9f33f9961b0ed4efd226ac9e55d63c3533ddff1ec14d2f1cc19",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-14T06:14:29Z",
    "title_canon_sha256": "02442b97cdaba0f0ac7491a3c07a7df94609a0ff07e14dea1c61be2c9e12ac02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3356",
    "kind": "arxiv",
    "version": 1
  }
}