Pith Number

pith:XBSTVNPZ

pith:2015:XBSTVNPZVWCNQFYBQ2UVFCASP7

not attested not anchored not stored refs pending

Shearfree Condition and dynamical Instability in $f(R,T)$ gravity

A.A. Bhatti, G. Abbas, Ifra Noureen, M. Zubair

arxiv:1504.01251 v2 · 2015-04-06 · 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{XBSTVNPZVWCNQFYBQ2UVFCASP7}

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	2026-05-18T01:36:13.246430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8653ab5f9ad84d8170186a95288127fd71368aecb6e74a92db13f3d20e10a1b

Aliases

arxiv: 1504.01251 · arxiv_version: 1504.01251v2 · doi: 10.48550/arxiv.1504.01251 · pith_short_12: XBSTVNPZVWCN · pith_short_16: XBSTVNPZVWCNQFYB · pith_short_8: XBSTVNPZ

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/XBSTVNPZVWCNQFYBQ2UVFCASP7 \
  | 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: b8653ab5f9ad84d8170186a95288127fd71368aecb6e74a92db13f3d20e10a1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f2f95b34908afe3100034274a975df1bf10d058a612451b10180c1e56c725f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-04-06T10:11:40Z",
    "title_canon_sha256": "1bbbf7861b31f70893eb43cf83ec6e0b1cad0afb94dcafc1a9dcff9b6e9d71d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01251",
    "kind": "arxiv",
    "version": 2
  }
}