pith. sign in
Pith Number

pith:RTZ4MBEG

pith:1993:RTZ4MBEGWVZC4DVM64IZP73KC4
not attested not anchored not stored refs pending

The Scalar Field Equation in the Presence of Signature Change

Corinne A. Manogue, Robin W. Tucker, Tevian Dray

arxiv:gr-qc/9303002 v1 · 1993-03-01 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RTZ4MBEGWVZC4DVM64IZP73KC4}

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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 2026-05-18T01:06:48.196589Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8cf3c60486b5722e0eacf71197ff6a17175afc386ffbf3e27c3609b1cab46e2b

Aliases

arxiv: gr-qc/9303002 · arxiv_version: gr-qc/9303002v1 · doi: 10.48550/arxiv.gr-qc/9303002 · pith_short_12: RTZ4MBEGWVZC · pith_short_16: RTZ4MBEGWVZC4DVM · pith_short_8: RTZ4MBEG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RTZ4MBEGWVZC4DVM64IZP73KC4 \
  | 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: 8cf3c60486b5722e0eacf71197ff6a17175afc386ffbf3e27c3609b1cab46e2b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8f5179ceefeb3b4630536c62e7e6b312a2bae3ab82d1549c38345757d1677f50",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-03-01T22:45:16Z",
    "title_canon_sha256": "9ca0584dd13f3e8fb377be632de22eb309abb547ad4777be89cc74727e648ef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9303002",
    "kind": "arxiv",
    "version": 1
  }
}