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Pith Number

pith:XF442CE4

pith:2018:XF442CE4AFD5U24NSBYKO4WIMQ
not attested not anchored not stored refs pending

Some generalizations of the DDVV and BW inequalities

Fagui Li, Jianquan Ge, Yi Zhou

arxiv:1807.07307 v2 · 2018-07-19 · math.DG · math.OA

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\usepackage{pith}
\pithnumber{XF442CE4AFD5U24NSBYKO4WIMQ}

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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.

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1 paper in Pith

Receipt and verification
First computed 2026-07-05T01:54:39.139679Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b979cd089c0147da6b8d9070a772c8642b7cc5bc35787d7f75ac91cd3d501940

Aliases

arxiv: 1807.07307 · arxiv_version: 1807.07307v2 · doi: 10.48550/arxiv.1807.07307 · pith_short_12: XF442CE4AFD5 · pith_short_16: XF442CE4AFD5U24N · pith_short_8: XF442CE4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XF442CE4AFD5U24NSBYKO4WIMQ \
  | 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: b979cd089c0147da6b8d9070a772c8642b7cc5bc35787d7f75ac91cd3d501940
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6050da7b4704244036ee14cf8be1a3c39f7e82c83b4fa3a31f38ab449f78bc88",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-07-19T09:18:30Z",
    "title_canon_sha256": "828907723c48241a0976b9fc0e7a7ceaa98ee8c8680954698c5d5bb28f0b05e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07307",
    "kind": "arxiv",
    "version": 2
  }
}