pith. sign in
Pith Number

pith:UBNDYTLH

pith:2018:UBNDYTLHXPIZHDFHZ7PGJXLCKJ
not attested not anchored not stored refs pending

Existence of Compact Structures in $f(R,T)$ Gravity

M. Ilyas, M. Zaeem-ul-Haq Bhatti, Z. Yousaf

arxiv:1804.04953 v1 · 2018-04-11 · physics.gen-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UBNDYTLHXPIZHDFHZ7PGJXLCKJ}

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 2026-05-18T00:14:53.456171Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a05a3c4d67bbd1938ca7cfde64dd625269f3d39abdd6785ed960e8aea33e218f

Aliases

arxiv: 1804.04953 · arxiv_version: 1804.04953v1 · doi: 10.48550/arxiv.1804.04953 · pith_short_12: UBNDYTLHXPIZ · pith_short_16: UBNDYTLHXPIZHDFH · pith_short_8: UBNDYTLH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UBNDYTLHXPIZHDFHZ7PGJXLCKJ \
  | 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: a05a3c4d67bbd1938ca7cfde64dd625269f3d39abdd6785ed960e8aea33e218f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7107b52aa4c60482605f4690a551ea03bb14aecda0696515459a34c30a3bf979",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2018-04-11T01:47:57Z",
    "title_canon_sha256": "62242b4e7abcb6c27fb28d10f1398bb63fa16a6ab523082f70aec47e1eba02dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04953",
    "kind": "arxiv",
    "version": 1
  }
}