pith. sign in
Pith Number

pith:VQOMFPZA

pith:2007:VQOMFPZAEHJLMVF2YOAURVDTPQ
not attested not anchored not stored refs pending

The low dimensional dynamical system approach in General Relativity: an example

E. L. Rodrigues, E. V. Tonini, H. P. de Oliveira, I. Dami\~ao Soares

arxiv:gr-qc/0703007 v1 · 2007-03-01 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VQOMFPZAEHJLMVF2YOAURVDTPQ}

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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 2026-05-18T00:54:21.317397Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ac1cc2bf2021d2b654bac38148d4737c31a2977e05d87ae71d5a74025ecec348

Aliases

arxiv: gr-qc/0703007 · arxiv_version: gr-qc/0703007v1 · doi: 10.48550/arxiv.gr-qc/0703007 · pith_short_12: VQOMFPZAEHJL · pith_short_16: VQOMFPZAEHJLMVF2 · pith_short_8: VQOMFPZA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VQOMFPZAEHJLMVF2YOAURVDTPQ \
  | 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: ac1cc2bf2021d2b654bac38148d4737c31a2977e05d87ae71d5a74025ecec348
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "56a8ff3d046376c03c0581229bd9b8b732814f40a8e6996cd4187fd8d2654c8c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-03-01T14:02:06Z",
    "title_canon_sha256": "2a6db22e5e5aa8fb44e9314ae62ca70a7a53b22ffa83ee5088aa69536741979c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0703007",
    "kind": "arxiv",
    "version": 1
  }
}