Pith. sign in
Pith Number

pith:HSJR4Z2F

pith:2023:HSJR4Z2FLXLBIBZMLANPBJZO2X
not attested not anchored not stored refs pending

Chameleon perfect scalar field as a geometric correction in $f(R)$ gravity

Celia Escamilla-Rivera, Laura L. Parrilla

arxiv:2303.16815 v1 · 2023-03-29 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HSJR4Z2FLXLBIBZMLANPBJZO2X}

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 2026-07-05T05:56:10.657510Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3c931e67455dd614072c581af0a72ed5f9387a76cf2c05023f2997521a1409fa

Aliases

arxiv: 2303.16815 · arxiv_version: 2303.16815v1 · doi: 10.48550/arxiv.2303.16815 · pith_short_12: HSJR4Z2FLXLB · pith_short_16: HSJR4Z2FLXLBIBZM · pith_short_8: HSJR4Z2F
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HSJR4Z2FLXLBIBZMLANPBJZO2X \
  | 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: 3c931e67455dd614072c581af0a72ed5f9387a76cf2c05023f2997521a1409fa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fa7988aec80c5a7b8007cba02ce746a743885c69fb04e602d8672371cb70630c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-03-29T16:05:32Z",
    "title_canon_sha256": "7b81b2cb04003f5ec7f585dadd0a998d842648f351cba12c732a73bb733f640f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.16815",
    "kind": "arxiv",
    "version": 1
  }
}