Pith Number

pith:PYUIIRCY

pith:2016:PYUIIRCYVO2F3KQZSPRPCRTMI3

not attested not anchored not stored refs pending

Boundary interpolation by finite Blaschke products

Vladimir Bolotnikov

arxiv:1609.09843 v1 · 2016-09-30 · 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{PYUIIRCYVO2F3KQZSPRPCRTMI3}

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	2026-05-18T01:03:33.208984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e28844458abb45daa1993e2f1466c46e035828e39b233769a82e5e5c69f2940

Aliases

arxiv: 1609.09843 · arxiv_version: 1609.09843v1 · doi: 10.48550/arxiv.1609.09843 · pith_short_12: PYUIIRCYVO2F · pith_short_16: PYUIIRCYVO2F3KQZ · pith_short_8: PYUIIRCY

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/PYUIIRCYVO2F3KQZSPRPCRTMI3 \
  | 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: 7e28844458abb45daa1993e2f1466c46e035828e39b233769a82e5e5c69f2940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df1b0c4460878667ad0c103edeeb804750e496565ac33f1a3025c4e7498d112",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-09-30T18:12:12Z",
    "title_canon_sha256": "648a3fa5e2a7b2f6b8db2199ef9dd5d8eea14c800e84b8474dc4ed34b54bfd2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09843",
    "kind": "arxiv",
    "version": 1
  }
}