Pith Number

pith:QJIP6P2N

pith:2018:QJIP6P2NTS7KCU3SMQKMNHFROX

not attested not anchored not stored refs pending

Abstract interpolation in vector-valued de Branges-Rovnyak spaces

Joseph A. Ball, Sanne ter Horst, Vladimir Bolotnikov

arxiv:1804.08492 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{QJIP6P2NTS7KCU3SMQKMNHFROX}

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	2026-05-18T00:17:48.156574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8250ff3f4d9cbea153726414c69cb175dc9917cef30513497bd0c9278d67843e

Aliases

arxiv: 1804.08492 · arxiv_version: 1804.08492v1 · doi: 10.48550/arxiv.1804.08492 · pith_short_12: QJIP6P2NTS7K · pith_short_16: QJIP6P2NTS7KCU3S · pith_short_8: QJIP6P2N

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/QJIP6P2NTS7KCU3SMQKMNHFROX \
  | 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: 8250ff3f4d9cbea153726414c69cb175dc9917cef30513497bd0c9278d67843e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e420c810e6300834ad49243173d03017fea53e93b838ba52275550b19715e6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-04-23T15:12:14Z",
    "title_canon_sha256": "16af1cedb2144dd54fab23d57918c3b938bb4fea983043746a94d46dab8a1262"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08492",
    "kind": "arxiv",
    "version": 1
  }
}