Pith. sign in
Pith Number

pith:PQYMVO2P

pith:2025:PQYMVO2PPZFXK4XYEFG7UWRVUZ
not attested not anchored not stored refs pending

Energy conditions in $f(Q, L_m)$ gravity

D. Ostemir, J. Rayimbaev, M. Koussour, O. Donmez, S. Muminov, Y. Myrzakulov

arxiv:2504.03855 v1 · 2025-04-04 · astro-ph.CO · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PQYMVO2PPZFXK4XYEFG7UWRVUZ}

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 2026-07-05T10:44:49.647808Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7c30cabb4f7e4b7572f8214dfa5a35a65ed0e2595108e4a77d118a924a2c2233

Aliases

arxiv: 2504.03855 · arxiv_version: 2504.03855v1 · doi: 10.48550/arxiv.2504.03855 · pith_short_12: PQYMVO2PPZFX · pith_short_16: PQYMVO2PPZFXK4XY · pith_short_8: PQYMVO2P
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PQYMVO2PPZFXK4XYEFG7UWRVUZ \
  | 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: 7c30cabb4f7e4b7572f8214dfa5a35a65ed0e2595108e4a77d118a924a2c2233
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f3054ae3b8a9ff0d06990f022c9f0d311d8b9197250fa77ebb0637e6291e33bc",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-04-04T18:30:49Z",
    "title_canon_sha256": "c7b6f69886a2932792e9785560763dfa2e7614d2deab2faa94e98204483ce284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.03855",
    "kind": "arxiv",
    "version": 1
  }
}