Pith Number

pith:UQOS5YWN

pith:2016:UQOS5YWNAZGRPITQ2WO5MD5B6B

not attested not anchored not stored refs pending

Constraining the Schwarzschild-de Sitter Solution in Models of Modified Gravity

Emmanuel N. Saridakis, Lorenzo Iorio, Matteo Luca Ruggiero, Ninfa Radicella

arxiv:1603.02052 v2 · 2016-03-07 · gr-qc · astro-ph.EP · hep-ph · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQOS5YWNAZGRPITQ2WO5MD5B6B}

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	2026-05-18T01:13:23.480800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a41d2ee2cd064d17a270d59dd60fa1f07427011de3486cb05e30fce01f71e1e2

Aliases

arxiv: 1603.02052 · arxiv_version: 1603.02052v2 · doi: 10.48550/arxiv.1603.02052 · pith_short_12: UQOS5YWNAZGR · pith_short_16: UQOS5YWNAZGRPITQ · pith_short_8: UQOS5YWN

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/UQOS5YWNAZGRPITQ2WO5MD5B6B \
  | 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: a41d2ee2cd064d17a270d59dd60fa1f07427011de3486cb05e30fce01f71e1e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce9b45a369d8d53e1965a8382a9e09477c65d32aa72d82805385cd6b61cc16bb",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "hep-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-03-07T13:20:25Z",
    "title_canon_sha256": "639700cadbf118a9a362cf9400ed42f07eb21fd052d80db72960859961b837f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02052",
    "kind": "arxiv",
    "version": 2
  }
}