Pith Number

pith:TSYEGUOW

pith:2026:TSYEGUOWPXXDYID7LK6C4N4RXU

not attested not anchored not stored refs pending

Extension of hypercyclic and frequently hypercyclic subspaces

Felipe Carvalho Silva, Geivison Ribeiro, R\'egis Var\~ao

arxiv:2606.18252 v1 · 2026-04-18 · 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{TSYEGUOWPXXDYID7LK6C4N4RXU}

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	2026-06-19T16:10:56.136523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cb04351d67dee3c207f5abc2e3791bd0fe262dd426f328ed520211f15e3d3f4

Aliases

arxiv: 2606.18252 · arxiv_version: 2606.18252v1 · doi: 10.48550/arxiv.2606.18252 · pith_short_12: TSYEGUOWPXXD · pith_short_16: TSYEGUOWPXXDYID7 · pith_short_8: TSYEGUOW

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/TSYEGUOWPXXDYID7LK6C4N4RXU \
  | 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: 9cb04351d67dee3c207f5abc2e3791bd0fe262dd426f328ed520211f15e3d3f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d26e21bd45db3ea23164ac8b85631392b8bd779ce0bd103288f10b573831406",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2026-04-18T23:04:36Z",
    "title_canon_sha256": "6148b90f6ab5cc53e587d0364d59e89ba833b91c099231761e8e6da13ab9f988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18252",
    "kind": "arxiv",
    "version": 1
  }
}