Pith Number

pith:OQUFZEAZ

pith:2019:OQUFZEAZB6MZJTPYZSVKXPP7A2

not attested not anchored not stored refs pending

Algebras of frequently hypercyclic vectors

Javier Falc\'o, Karl-G. Grosse-Erdmann

arxiv:1904.01923 v1 · 2019-04-03 · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQUFZEAZB6MZJTPYZSVKXPP7A2}

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	2026-05-17T23:49:29.257710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74285c90190f9994cdf8ccaaabbdff0690c25449078d261c5f320767c8adba8b

Aliases

arxiv: 1904.01923 · arxiv_version: 1904.01923v1 · doi: 10.48550/arxiv.1904.01923 · pith_short_12: OQUFZEAZB6MZ · pith_short_16: OQUFZEAZB6MZJTPY · pith_short_8: OQUFZEAZ

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/OQUFZEAZB6MZJTPYZSVKXPP7A2 \
  | 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: 74285c90190f9994cdf8ccaaabbdff0690c25449078d261c5f320767c8adba8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef82125cce93f95d79c3c26f4527a5eaad72dd0935e2e4d6fbaac7a76661e364",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-04-03T11:33:01Z",
    "title_canon_sha256": "ea0edea6aa36c46e17d64993c3cf6d652613877cc0cb6c42eefeb08502ab50a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01923",
    "kind": "arxiv",
    "version": 1
  }
}