Pith Number

pith:MZBH2DRF

pith:2018:MZBH2DRFSFKEBK5RSSDEW3LUCB

not attested not anchored not stored refs pending

Bianalytic free maps between spectrahedra and spectraballs

Igor Klep, Jurij Vol\v{c}i\v{c}, J. William Helton, Scott McCullough

arxiv:1804.09743 v3 · 2018-04-25 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZBH2DRFSFKEBK5RSSDEW3LUCB}

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

Plurisubharmonic Noncommutative Rational Functions

Receipt and verification

First computed	2026-07-05T01:00:11.017388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66427d0e25915440abb194864b6d74104cb7072ffc53de4907f54a7cbaf8577f

Aliases

arxiv: 1804.09743 · arxiv_version: 1804.09743v3 · doi: 10.48550/arxiv.1804.09743 · pith_short_12: MZBH2DRFSFKE · pith_short_16: MZBH2DRFSFKEBK5R · pith_short_8: MZBH2DRF

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/MZBH2DRFSFKEBK5RSSDEW3LUCB \
  | 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: 66427d0e25915440abb194864b6d74104cb7072ffc53de4907f54a7cbaf8577f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "500bb1e9688aee40e02c2b149bb4a141f990b1b5cd48c5e184790e64e65b0340",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-04-25T18:27:28Z",
    "title_canon_sha256": "6add702d89467d8055e488f3aacbafa542808df0f197f85a8593dbf98592b55a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09743",
    "kind": "arxiv",
    "version": 3
  }
}