Pith Number

pith:JHWPWRBM

pith:2018:JHWPWRBMKLJ2MEGBIODAHQ667N

not attested not anchored not stored refs pending

${\mathcal F}$-Hypercyclic operators on Fr\' echet spaces

Marko Kostic

arxiv:1809.02549 v1 · 2018-09-07 · 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{JHWPWRBMKLJ2MEGBIODAHQ667N}

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	2026-05-18T00:06:16.812105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49ecfb442c52d3a610c1438603c3defb66d5249c36e474361ea834554fb3d8e6

Aliases

arxiv: 1809.02549 · arxiv_version: 1809.02549v1 · doi: 10.48550/arxiv.1809.02549 · pith_short_12: JHWPWRBMKLJ2 · pith_short_16: JHWPWRBMKLJ2MEGB · pith_short_8: JHWPWRBM

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/JHWPWRBMKLJ2MEGBIODAHQ667N \
  | 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: 49ecfb442c52d3a610c1438603c3defb66d5249c36e474361ea834554fb3d8e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19066ebab4090d2dd2f3030b6c7b56329a6cb1617ddeb9678f573bf483528fc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-09-07T15:48:49Z",
    "title_canon_sha256": "1aa56367039a21900497b164cd26451ab4df8d27b7aa5c4796043fb36aff8e1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02549",
    "kind": "arxiv",
    "version": 1
  }
}