Pith Number

pith:Z3YOZCY4

pith:2014:Z3YOZCY4Y7XHYVUZTSVBU7JV2O

not attested not anchored not stored refs pending

Extremal solutions of Nevalinna-Pick problems and certain classes of inner functions

Artur Nicolau, Nacho Monreal Gal\'an

arxiv:1405.3578 v2 · 2014-05-14 · math.CV · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z3YOZCY4Y7XHYVUZTSVBU7JV2O}

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	2026-05-18T02:51:32.876791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cef0ec8b1cc7ee7c56999caa1a7d35d39c8b7ca77655df6cfdaf9ce81174eeb4

Aliases

arxiv: 1405.3578 · arxiv_version: 1405.3578v2 · doi: 10.48550/arxiv.1405.3578 · pith_short_12: Z3YOZCY4Y7XH · pith_short_16: Z3YOZCY4Y7XHYVUZ · pith_short_8: Z3YOZCY4

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/Z3YOZCY4Y7XHYVUZTSVBU7JV2O \
  | 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: cef0ec8b1cc7ee7c56999caa1a7d35d39c8b7ca77655df6cfdaf9ce81174eeb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a4016956c9b99c8eaedbc8a93066857d3384f2e67fecb983b43530d71289f66",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-05-14T17:24:42Z",
    "title_canon_sha256": "a2a9ba14693fea63e0c7d91fe471c6565a9e7630dde4eba82011b802a011a150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3578",
    "kind": "arxiv",
    "version": 2
  }
}