Pith Number

pith:QE55HZQV

pith:2007:QE55HZQVHIHFXUMQTODH7GN5AI

not attested not anchored not stored refs pending

Sums of hermitian squares and the BMV conjecture

Igor Klep, Markus Schweighofer

arxiv:0710.1074 v4 · 2007-10-04 · math.OA · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QE55HZQVHIHFXUMQTODH7GN5AI}

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.

Cited by

1 paper in Pith

Stationarity is not enough: tightness of the quantum mechanical bootstrap and the copositive cone

Receipt and verification

First computed	2026-05-18T04:24:06.556784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

813bd3e6153a0e5bd1909b867f99bd022c366a33721ab0a400099ce931ce5c3a

Aliases

arxiv: 0710.1074 · arxiv_version: 0710.1074v4 · doi: 10.48550/arxiv.0710.1074 · pith_short_12: QE55HZQVHIHF · pith_short_16: QE55HZQVHIHFXUMQ · pith_short_8: QE55HZQV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QE55HZQVHIHFXUMQTODH7GN5AI \
  | 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: 813bd3e6153a0e5bd1909b867f99bd022c366a33721ab0a400099ce931ce5c3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "501d8fd32f772d659ff617b8dbcdcb24e9a075fdbf030f016cf59921a516238d",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2007-10-04T19:22:09Z",
    "title_canon_sha256": "a6121b577c2e5570bc82048b4e1b2fa27d54a3e4a9d86c845e3a1be3c6bc4256"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.1074",
    "kind": "arxiv",
    "version": 4
  }
}