Pith Number

pith:7CNOVBEF

pith:2025:7CNOVBEF557PRXTWVW227MJSVD

not attested not anchored not stored refs pending

The frozen vanilla model: Exploring dark sector interactions with delta effective theories

J\'ulio C. Fabris, Luiz F. Guimar\~aes, Mart\'in G. Richarte, Susana J. Landau

arxiv:2504.21110 v2 · 2025-04-29 · 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{7CNOVBEF557PRXTWVW227MJSVD}

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	2026-07-05T11:52:20.361678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f89aea8485ef7ef8de76adb5afb132a8d009035adeca3254bea7befc48ea63bb

Aliases

arxiv: 2504.21110 · arxiv_version: 2504.21110v2 · doi: 10.48550/arxiv.2504.21110 · pith_short_12: 7CNOVBEF557P · pith_short_16: 7CNOVBEF557PRXTW · pith_short_8: 7CNOVBEF

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/7CNOVBEF557PRXTWVW227MJSVD \
  | 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: f89aea8485ef7ef8de76adb5afb132a8d009035adeca3254bea7befc48ea63bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef81003516341ed8ff4ea276c0d5bd6ac24e7fce4be386fd7f164f64dbd3fe64",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-04-29T18:39:48Z",
    "title_canon_sha256": "78f67f5a8e0fd53165d9c53af48969fa47b3b04eb37befa2479b94d1d4a9d0a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21110",
    "kind": "arxiv",
    "version": 2
  }
}