Pith Number

pith:GFUYNDHZ

pith:2015:GFUYNDHZKZEK7XO5CEV6BKNY3E

not attested not anchored not stored refs pending

Three-point Nevanlinna Pick problem in the polydisc

Lukasz Kosinski

arxiv:1503.03091 v1 · 2015-03-10 · 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{GFUYNDHZKZEK7XO5CEV6BKNY3E}

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	2026-05-18T02:25:04.274567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3169868cf95648afdddd112be0a9b8d91504ccbef8ba1b7e045fcf1a3441c692

Aliases

arxiv: 1503.03091 · arxiv_version: 1503.03091v1 · doi: 10.48550/arxiv.1503.03091 · pith_short_12: GFUYNDHZKZEK · pith_short_16: GFUYNDHZKZEK7XO5 · pith_short_8: GFUYNDHZ

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/GFUYNDHZKZEK7XO5CEV6BKNY3E \
  | 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: 3169868cf95648afdddd112be0a9b8d91504ccbef8ba1b7e045fcf1a3441c692

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a81ed701d0d9d57eac9b874a09ddaeec3e8f7d88e1145506e6ea64526df61bc",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-03-10T20:41:46Z",
    "title_canon_sha256": "c71eb0c7c4a3115fc24440fd5fea08e7cb76a07eb1f8d7967c740eacb611e6ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03091",
    "kind": "arxiv",
    "version": 1
  }
}