Pith Number

pith:RPOYAI4Q

pith:2018:RPOYAI4Q54L54DCLSN3ZEQ34UT

not attested not anchored not stored refs pending

Interpolation in de Branges-Rovnyak spaces

Joseph A. Ball, Sanne ter Horst, Vladimir Bolotnikov

arxiv:1804.08485 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{RPOYAI4Q54L54DCLSN3ZEQ34UT}

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	2026-05-18T00:17:48.195738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bdd802390ef17de0c4b937792437ca4fca0c381d614d67285a7bb33a3ae6055

Aliases

arxiv: 1804.08485 · arxiv_version: 1804.08485v1 · doi: 10.48550/arxiv.1804.08485 · pith_short_12: RPOYAI4Q54L5 · pith_short_16: RPOYAI4Q54L54DCL · pith_short_8: RPOYAI4Q

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/RPOYAI4Q54L54DCLSN3ZEQ34UT \
  | 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: 8bdd802390ef17de0c4b937792437ca4fca0c381d614d67285a7bb33a3ae6055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c471c98bdcd16490b15b85d3e3d884001c6e5f75744b865422943a2b703a118",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-04-23T14:59:01Z",
    "title_canon_sha256": "5ecbe0208a4becad855e31ba847c943bd903615988a8ca0a11f46bfa442c8fc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08485",
    "kind": "arxiv",
    "version": 1
  }
}