Pith Number

pith:QKOZDF45

pith:2018:QKOZDF45SJZYY5SZUW3XSDOHK4

not attested not anchored not stored refs pending

Positive and generalized positive real lemma for slice hyperholomorphic functions

D. Alpay, F. Colombo, I. Lewkowicz, I. Sabadini

arxiv:1810.05847 v1 · 2018-10-13 · 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{QKOZDF45SJZYY5SZUW3XSDOHK4}

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	2026-05-18T00:03:26.797290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

829d91979d92738c7659a5b7790dc7573062a67223c29f7e42e1e21a14639041

Aliases

arxiv: 1810.05847 · arxiv_version: 1810.05847v1 · doi: 10.48550/arxiv.1810.05847 · pith_short_12: QKOZDF45SJZY · pith_short_16: QKOZDF45SJZYY5SZ · pith_short_8: QKOZDF45

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/QKOZDF45SJZYY5SZUW3XSDOHK4 \
  | 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: 829d91979d92738c7659a5b7790dc7573062a67223c29f7e42e1e21a14639041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64f5fa647da216608005fcae00e8a935177d6b3d6d9f70dc9617f4147e54f95b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-10-13T11:58:32Z",
    "title_canon_sha256": "4403d0644b9103ee469e8cd6645ee4f3386a3f5c3aa0bc010b710f65dc533293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05847",
    "kind": "arxiv",
    "version": 1
  }
}