Pith. sign in
Pith Number

pith:VG66YTO2

pith:2021:VG66YTO2D2HFVOPC33LVJ2VFEK
not attested not anchored not stored refs pending

The Case Against Smooth Null Infinity I: Heuristics and Counter-Examples

Lionor M. A. Kehrberger

arxiv:2105.08079 v3 · 2021-05-17 · gr-qc · hep-th · math-ph · math.AP · math.DG · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VG66YTO2D2HFVOPC33LVJ2VFEK}

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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

2 papers in Pith

Receipt and verification
First computed 2026-07-05T11:55:58.063738Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a9bdec4dda1e8e5ab9e2ded754eaa5228283e3e7b0513b58b994bada9c1f1325

Aliases

arxiv: 2105.08079 · arxiv_version: 2105.08079v3 · doi: 10.48550/arxiv.2105.08079 · pith_short_12: VG66YTO2D2HF · pith_short_16: VG66YTO2D2HFVOPC · pith_short_8: VG66YTO2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VG66YTO2D2HFVOPC33LVJ2VFEK \
  | 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: a9bdec4dda1e8e5ab9e2ded754eaa5228283e3e7b0513b58b994bada9c1f1325
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "21729ee6df84c1a1c60d013271ffd32c0d64c05e44bc47e570c8fac22ecce333",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.AP",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-05-17T18:00:08Z",
    "title_canon_sha256": "d8d2ed11c26e5a0987b69e5e45489fa313efe32a36a849af5b346eb07d21c060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.08079",
    "kind": "arxiv",
    "version": 3
  }
}