Pith Number

pith:7ZNDXZCS

pith:2021:7ZNDXZCSMZ6MAV7A6LS6AHH6ZT

not attested not anchored not stored refs pending

First evidence that non-metricity f(Q) gravity could challenge $\Lambda$CDM

Emmanuel N. Saridakis, Fotios K. Anagnostopoulos, Spyros Basilakos

arxiv:2104.15123 v2 · 2021-04-30 · 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{7ZNDXZCSMZ6MAV7A6LS6AHH6ZT}

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.

Cited by

5 papers in Pith

Late-Time Cosmology and Structure Formation in Quadratic $f(Q)$ Gravity

Rotating traversable wormholes and particle dynamics in $f(R,T)$ gravity

3-dimensional charged black holes in $f({Q})$ gravity

Interacting Scalar Fields as Dark Energy and Dark Matter in Einstein scalar Gauss Bonnet Gravity

Cosmologically viable non-polynomial quasi-topological gravity: explicit models, $\Lambda$CDM limit and observational constraints

Receipt and verification

First computed	2026-07-05T03:14:15.168753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe5a3be452667cc057e0f2e5e01cfecce3b6db47facfd434a0bd99ddce0d86f3

Aliases

arxiv: 2104.15123 · arxiv_version: 2104.15123v2 · doi: 10.48550/arxiv.2104.15123 · pith_short_12: 7ZNDXZCSMZ6M · pith_short_16: 7ZNDXZCSMZ6MAV7A · pith_short_8: 7ZNDXZCS

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/7ZNDXZCSMZ6MAV7A6LS6AHH6ZT \
  | 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: fe5a3be452667cc057e0f2e5e01cfecce3b6db47facfd434a0bd99ddce0d86f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc68f1f7c9a00f4df9e84d534e81db6204dfb4c34b2cc541a8a4d36ecdb51983",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-04-30T17:26:52Z",
    "title_canon_sha256": "f5eb1fd08ce62a90735c690afb9fe11c6525c50a31f1a125c4dd0fe437cc6479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.15123",
    "kind": "arxiv",
    "version": 2
  }
}