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Pith Number

pith:BZLNPMSW

pith:2021:BZLNPMSWMWXYCHT7UPJH6ESDRQ
not attested not anchored not stored refs pending

Gravitational perturbations in the Newman-Penrose formalism: Applications to wormholes

Juan Carlos Del \'Aguila, Tonatiuh Matos

arxiv:2102.09160 v2 · 2021-02-18 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BZLNPMSWMWXYCHT7UPJH6ESDRQ}

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

Receipt and verification
First computed 2026-07-05T05:13:28.709248Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0e56d7b25665af811e7fa3d27f12438c353584e43e39c16f558893b7a130381c

Aliases

arxiv: 2102.09160 · arxiv_version: 2102.09160v2 · doi: 10.48550/arxiv.2102.09160 · pith_short_12: BZLNPMSWMWXY · pith_short_16: BZLNPMSWMWXYCHT7 · pith_short_8: BZLNPMSW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BZLNPMSWMWXYCHT7UPJH6ESDRQ \
  | 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: 0e56d7b25665af811e7fa3d27f12438c353584e43e39c16f558893b7a130381c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "51db76a5d82ecdccd107ea545c0a2a983e1329ad106151cd84452299c6073011",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-02-18T05:06:24Z",
    "title_canon_sha256": "5c299017e3b11314dcc28607f9dac62312305023195cfaf660fbdaf825e7127b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09160",
    "kind": "arxiv",
    "version": 2
  }
}