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Pith Number

pith:QOIU2LH6

pith:2018:QOIU2LH6IWE3FMOHM2PNCZUQJS
not attested not anchored not stored refs pending

Geometric engineering on flops of length two

Andr\'es Collinucci, Marco Fazzi, Roberto Valandro

arxiv:1802.00813 v2 · 2018-02-02 · hep-th · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QOIU2LH6IWE3FMOHM2PNCZUQJS}

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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 2026-05-18T00:16:26.658976Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

83914d2cfe4589b2b1c7669ed166904c9758c7d61b9a73ea51db95811fcc67d8

Aliases

arxiv: 1802.00813 · arxiv_version: 1802.00813v2 · doi: 10.48550/arxiv.1802.00813 · pith_short_12: QOIU2LH6IWE3 · pith_short_16: QOIU2LH6IWE3FMOH · pith_short_8: QOIU2LH6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QOIU2LH6IWE3FMOHM2PNCZUQJS \
  | 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: 83914d2cfe4589b2b1c7669ed166904c9758c7d61b9a73ea51db95811fcc67d8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4160582a9746bfd7adc2916c26315ce5ce646a5c7bd9dac7e6a8209b95ecb1f2",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-02-02T19:00:00Z",
    "title_canon_sha256": "c1206d9e28ca737303803b64aa826b8d97775ee59db90f6f9cc53c9720f887b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00813",
    "kind": "arxiv",
    "version": 2
  }
}