Pith Number

pith:AM4BNAX6

pith:2014:AM4BNAX647PQISZJX7RT6PHMX4

not attested not anchored not stored refs pending

A short introduction to de Branges--Rovnyak spaces

Dan Timotin

arxiv:1411.4174 v1 · 2014-11-15 · 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{AM4BNAX647PQISZJX7RT6PHMX4}

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	2026-05-18T02:35:46.338026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03381682fee7df044b29bfe33f3cecbf2da46650182e7d7cfd84d3d8a2372440

Aliases

arxiv: 1411.4174 · arxiv_version: 1411.4174v1 · doi: 10.48550/arxiv.1411.4174 · pith_short_12: AM4BNAX647PQ · pith_short_16: AM4BNAX647PQISZJ · pith_short_8: AM4BNAX6

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/AM4BNAX647PQISZJX7RT6PHMX4 \
  | 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: 03381682fee7df044b29bfe33f3cecbf2da46650182e7d7cfd84d3d8a2372440

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d69d4d150464e6ff2b594b199b45ddaf076af869bba57c8bab59fe0334c88e79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-11-15T18:59:44Z",
    "title_canon_sha256": "f1ff4d4b1a975d35142e67b8d009dd9c946f8fdb73a66a01392c6d9a643e3284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4174",
    "kind": "arxiv",
    "version": 1
  }
}