Pith Number

pith:EI4GF3FL

pith:2019:EI4GF3FLF2CD65XXZ6XBVTQMWZ

not attested not anchored not stored refs pending

Observational constraints of $f(Q)$ gravity

Francisco S. N. Lobo, Mar\'ia Ortiz-Ba\~nos, Ruth Lazkoz, Vincenzo Salzano

arxiv:1907.13219 v2 · 2019-07-30 · 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{EI4GF3FLF2CD65XXZ6XBVTQMWZ}

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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

4 papers in Pith

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

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

Static plane symmetric solutions in $f(Q)$ gravity

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

Receipt and verification

First computed	2026-07-05T00:19:09.872589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

223862ecab2e843f76f7cfae1ace0cb643c5bbf5a55119a3920aa166b3c0c06e

Aliases

arxiv: 1907.13219 · arxiv_version: 1907.13219v2 · doi: 10.48550/arxiv.1907.13219 · pith_short_12: EI4GF3FLF2CD · pith_short_16: EI4GF3FLF2CD65XX · pith_short_8: EI4GF3FL

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/EI4GF3FLF2CD65XXZ6XBVTQMWZ \
  | 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: 223862ecab2e843f76f7cfae1ace0cb643c5bbf5a55119a3920aa166b3c0c06e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9597b6dd8adf54a69c39d48d288cfa4c84e19743cbda8c8799fa86efb63ed6b0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-07-30T20:53:33Z",
    "title_canon_sha256": "c27bbff66e4bec28f588b8c996a2ffd9a489f4d8ed869ca95b055ce937b3138d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.13219",
    "kind": "arxiv",
    "version": 2
  }
}