Pith Number

pith:A6HGGNGG

pith:2016:A6HGGNGGACJ67OH4PSH3QX3T4N

not attested not anchored not stored refs pending

Nevanlinna-Pick interpolation problem in the ball

{\L}ukasz Kosi\'nski, W{\l}odzimierz Zwonek

arxiv:1604.03883 v1 · 2016-04-13 · math.CV · 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{A6HGGNGGACJ67OH4PSH3QX3T4N}

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	2026-05-18T01:17:10.748356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

078e6334c60093efb8fc7c8fb85f73e343a3034a450cf03291866d628ed8557e

Aliases

arxiv: 1604.03883 · arxiv_version: 1604.03883v1 · doi: 10.48550/arxiv.1604.03883 · pith_short_12: A6HGGNGGACJ6 · pith_short_16: A6HGGNGGACJ67OH4 · pith_short_8: A6HGGNGG

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/A6HGGNGGACJ67OH4PSH3QX3T4N \
  | 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: 078e6334c60093efb8fc7c8fb85f73e343a3034a450cf03291866d628ed8557e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "964a3206565d2e01ca55b713fe216a50b86679f18df8a9efbbea358c95b2f992",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-04-13T17:39:25Z",
    "title_canon_sha256": "8e9819abaafa63ebd94221617d3ee37c02ae7474e7792c627b174b1d39a519e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03883",
    "kind": "arxiv",
    "version": 1
  }
}