Pith Number

pith:HQCQYFRN

pith:2017:HQCQYFRNL7VYZC5GEVODKWRGIH

not attested not anchored not stored refs pending

A de Sitter limit analysis for dark energy and modified gravity models

Antonio De Felice, Georgios Papadomanolakis, Noemi Frusciante

arxiv:1705.01960 v1 · 2017-05-04 · 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{HQCQYFRNL7VYZC5GEVODKWRGIH}

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	2026-05-18T00:33:18.434551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c050c162d5feb8c8ba6255c355a2641ee07ae9de3149c2070226d92758253bb

Aliases

arxiv: 1705.01960 · arxiv_version: 1705.01960v1 · doi: 10.48550/arxiv.1705.01960 · pith_short_12: HQCQYFRNL7VY · pith_short_16: HQCQYFRNL7VYZC5G · pith_short_8: HQCQYFRN

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/HQCQYFRNL7VYZC5GEVODKWRGIH \
  | 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: 3c050c162d5feb8c8ba6255c355a2641ee07ae9de3149c2070226d92758253bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4154a359c464a649aec5c4e8c01e04e8710196217c0c4c045f1bbc6e04f70259",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-05-04T18:12:46Z",
    "title_canon_sha256": "3c59acca0ea5511944d7c48bd4e1fb48a7c384f8d9e41ee54bab80681dcded07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01960",
    "kind": "arxiv",
    "version": 1
  }
}