Pith Number

pith:VEVXHK4A

pith:2018:VEVXHK4AFB7HJLU2K652YPMYUY

not attested not anchored not stored refs pending

All solutions to an operator Nevanlinna-Pick interpolation problem

A.E. Frazho, M.A. Kaashoek, S. ter Horst

arxiv:1804.08498 v1 · 2018-04-23 · 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{VEVXHK4AFB7HJLU2K652YPMYUY}

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	2026-05-18T00:17:48.136875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a92b73ab80287e74ae9a57bbac3d98a634e7519e12caa76bf184e120ef656375

Aliases

arxiv: 1804.08498 · arxiv_version: 1804.08498v1 · doi: 10.48550/arxiv.1804.08498 · pith_short_12: VEVXHK4AFB7H · pith_short_16: VEVXHK4AFB7HJLU2 · pith_short_8: VEVXHK4A

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/VEVXHK4AFB7HJLU2K652YPMYUY \
  | 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: a92b73ab80287e74ae9a57bbac3d98a634e7519e12caa76bf184e120ef656375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9ca789032a85b4ff79e06a966cda4c656a532cab6baf0a61bf1cd9ff5830cc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-04-23T15:18:19Z",
    "title_canon_sha256": "6783f6b046e99bcde3453ccf1fb38cc6c7ab322f31bd74e18027a6d8d5e91e53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08498",
    "kind": "arxiv",
    "version": 1
  }
}