Pith Number

pith:JU244U3V

pith:2019:JU244U3VU5D3OCBUONFFTC2OGF

not attested not anchored not stored refs pending

Spectrahedral relaxations of hyperbolicity cones

Markus Schweighofer

arxiv:1907.13611 v3 · 2019-07-31 · math.OC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JU244U3VU5D3OCBUONFFTC2OGF}

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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

Guessing sequences of eigenvectors for LMPs defining spectrahedral relaxations of Eulerian rigidly convex sets

Receipt and verification

First computed	2026-07-05T06:34:01.208947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d35ce5375a747b70834734a598b4e3142b5081864d647710e31a66fa7c7927b

Aliases

arxiv: 1907.13611 · arxiv_version: 1907.13611v3 · doi: 10.48550/arxiv.1907.13611 · pith_short_12: JU244U3VU5D3 · pith_short_16: JU244U3VU5D3OCBU · pith_short_8: JU244U3V

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/JU244U3VU5D3OCBUONFFTC2OGF \
  | 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: 4d35ce5375a747b70834734a598b4e3142b5081864d647710e31a66fa7c7927b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6b5b5da65c8cba1bf1c786a530a68d40f555ad2e4dacae59c42fcceddaa3506",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-07-31T17:24:20Z",
    "title_canon_sha256": "a62ed44440c4db2e4a25257fe70292e39205e72f63861ef376d9983fde6ab192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.13611",
    "kind": "arxiv",
    "version": 3
  }
}