pith. sign in
Pith Number

pith:QHUWMO26

pith:2013:QHUWMO264MCV62AAAIZEGFCL6S
not attested not anchored not stored refs pending

The Quasi-Maxwellian Equations of General Relativity: Applications to the Perturbation Theory

E. Bittencourt, J. M. Salim, M. Novello

arxiv:1302.7248 v1 · 2013-02-28 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QHUWMO264MCV62AAAIZEGFCL6S}

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 2026-05-18T01:51:25.929216Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

81e9663b5ee3055f6800023243144bf48b17c3f3350a1421bd98198096ec349f

Aliases

arxiv: 1302.7248 · arxiv_version: 1302.7248v1 · doi: 10.48550/arxiv.1302.7248 · pith_short_12: QHUWMO264MCV · pith_short_16: QHUWMO264MCV62AA · pith_short_8: QHUWMO26
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QHUWMO264MCV62AAAIZEGFCL6S \
  | 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: 81e9663b5ee3055f6800023243144bf48b17c3f3350a1421bd98198096ec349f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1c27df48bdb511b4e86c136b518d24a6e326eac6ab8c39477aeb662c13b7cdca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-28T16:30:55Z",
    "title_canon_sha256": "c80e0dce92d1793a7ec45e0b17bcc3c077041f573a87b1708213c7724edd9bb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7248",
    "kind": "arxiv",
    "version": 1
  }
}