Pith Number

pith:NCUFEQEW

pith:2018:NCUFEQEWKXNT6BOPI4CJSAHMU5

not attested not anchored not stored refs pending

Positive Functionals and Hessenberg Matrices

IMT), J.-B Lasserre (LAAS-MAC, Mihai Putinar

arxiv:1806.03099 v1 · 2018-06-08 · math.FA · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCUFEQEWKXNT6BOPI4CJSAHMU5}

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.

Receipt and verification

First computed	2026-05-18T00:13:49.656163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68a852409655db3f05cf47049900eca7485acdd5e1e9d0805761d598677fcef6

Aliases

arxiv: 1806.03099 · arxiv_version: 1806.03099v1 · doi: 10.48550/arxiv.1806.03099 · pith_short_12: NCUFEQEWKXNT · pith_short_16: NCUFEQEWKXNT6BOP · pith_short_8: NCUFEQEW

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/NCUFEQEWKXNT6BOPI4CJSAHMU5 \
  | 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: 68a852409655db3f05cf47049900eca7485acdd5e1e9d0805761d598677fcef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "714facc476b8394f4d8b56e1e55c4742b63ae4079da6eb7b9bd1b5948f313b43",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-06-08T11:53:48Z",
    "title_canon_sha256": "ca5402042f1103ce4404c1fefbdf88e41486c90e41265bc46ea6c671972e38c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03099",
    "kind": "arxiv",
    "version": 1
  }
}