Pith. sign in
Pith Number

pith:K653ZMZP

pith:1999:K653ZMZPLM5BM5FP35ASKRLKQO
not attested not anchored not stored refs pending

Averaging Einstein's Equations: The Linearized Case

Amina Helmi, Diego F. Torres, William R. Stoeger

arxiv:gr-qc/9904020 v1 · 1999-04-07 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{K653ZMZPLM5BM5FP35ASKRLKQO}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T15:20:44.326200Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

57bbbcb32f5b3a1674afdf4125456a839d7c2cb48e8eb145f3e3884cc05745ca

Aliases

arxiv: gr-qc/9904020 · arxiv_version: gr-qc/9904020v1 · doi: 10.48550/arxiv.gr-qc/9904020 · pith_short_12: K653ZMZPLM5B · pith_short_16: K653ZMZPLM5BM5FP · pith_short_8: K653ZMZP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/K653ZMZPLM5BM5FP35ASKRLKQO \
  | 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: 57bbbcb32f5b3a1674afdf4125456a839d7c2cb48e8eb145f3e3884cc05745ca
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "072888453e5471f7849b6d5911d91a5f4202e7f868422d15750716a9b5c69b2e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-04-07T17:17:20Z",
    "title_canon_sha256": "2393fedfab522c7cb351a148379a745a7c95262025d8016033b89b14df63f23c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9904020",
    "kind": "arxiv",
    "version": 1
  }
}