Pith Number

pith:ULL3LI53

pith:2021:ULL3LI53BBVIJ5C2EUKC4MY4LQ

not attested not anchored not stored refs pending

Covariant formulation of f(Q) theory

Dehao Zhao

arxiv:2104.02483 v3 · 2021-04-05 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULL3LI53BBVIJ5C2EUKC4MY4LQ}

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

1 paper in Pith

Dynamical analysis of the covariant $f(Q)$ gravity models

Receipt and verification

First computed	2026-07-05T04:12:49.153673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2d7b5a3bb086a84f45a25142e331c5c2339395ff22297b0506c1a4ce750a70e

Aliases

arxiv: 2104.02483 · arxiv_version: 2104.02483v3 · doi: 10.48550/arxiv.2104.02483 · pith_short_12: ULL3LI53BBVI · pith_short_16: ULL3LI53BBVIJ5C2 · pith_short_8: ULL3LI53

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/ULL3LI53BBVIJ5C2EUKC4MY4LQ \
  | 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: a2d7b5a3bb086a84f45a25142e331c5c2339395ff22297b0506c1a4ce750a70e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ae12c809e9eebc20d1f7ad07b2b75d7d1c827518a034f7f7b9466f5379139c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-04-05T08:43:02Z",
    "title_canon_sha256": "5935312d121f92c391f66f66d69fb03ae21b7d9368290a1d2ab1c956db0f43a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02483",
    "kind": "arxiv",
    "version": 3
  }
}