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Pith Number

pith:SVYBEPEX

pith:2001:SVYBEPEXLNQOLE26UZZVO26AY2
not attested not anchored not stored refs pending

Understanding singularities in Cartan's and NSF geometric structures

Carlos N. Kozameh, Diego M. Forni, M. F. Parisi, Mirta S. Iriondo

arxiv:gr-qc/0102106 v1 · 2001-02-27 · gr-qc · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SVYBEPEXLNQOLE26UZZVO26AY2}

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 2026-05-18T01:39:24.392384Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9570123c975b60e5935ea673576bc0c6b3f5309c214c0a891246bf6ec21b5ca3

Aliases

arxiv: gr-qc/0102106 · arxiv_version: gr-qc/0102106v1 · doi: 10.48550/arxiv.gr-qc/0102106 · pith_short_12: SVYBEPEXLNQO · pith_short_16: SVYBEPEXLNQOLE26 · pith_short_8: SVYBEPEX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SVYBEPEXLNQOLE26UZZVO26AY2 \
  | 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: 9570123c975b60e5935ea673576bc0c6b3f5309c214c0a891246bf6ec21b5ca3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2d229136345ba89924ae0de7c2732f5a05ebfbaf12bd30f0a08b3702637173a8",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-02-27T20:37:46Z",
    "title_canon_sha256": "d515708d0449880fab00ff7be623b4db01546759ce060e3a19fc3baffcd85906"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0102106",
    "kind": "arxiv",
    "version": 1
  }
}