Pith Number

pith:CV4ZJ2WX

pith:2013:CV4ZJ2WX7GWZUHDWELCQSK2HDS

not attested not anchored not stored refs pending

Natural Emergence of Cosmological Constant and Dark Radiation from Stephenson-Kilmister-Yang-Camenzind Theory of Gravity

Keisuke Izumi, Nien-En Tung, Pisin Chen

arxiv:1304.6334 v1 · 2013-04-23 · 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{CV4ZJ2WX7GWZUHDWELCQSK2HDS}

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	2026-05-18T03:03:56.820942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

157994ead7f9ad9a1c7622c5092b471cb3be5e390f40a83320f414a2cd9d168c

Aliases

arxiv: 1304.6334 · arxiv_version: 1304.6334v1 · doi: 10.48550/arxiv.1304.6334 · pith_short_12: CV4ZJ2WX7GWZ · pith_short_16: CV4ZJ2WX7GWZUHDW · pith_short_8: CV4ZJ2WX

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/CV4ZJ2WX7GWZUHDWELCQSK2HDS \
  | 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: 157994ead7f9ad9a1c7622c5092b471cb3be5e390f40a83320f414a2cd9d168c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afb236bc92ef721fd2857bada1dca1df7bd6f5d0cfc401eff639dec291af92c8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-23T15:49:34Z",
    "title_canon_sha256": "476c3557d808ef612210adf840d5217ed488d3789ea9120c186a2649b272ee07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6334",
    "kind": "arxiv",
    "version": 1
  }
}