Pith Number

pith:JSS2OWW7

pith:2018:JSS2OWW77P2WHUAY2Z3QBSNF5N

not attested not anchored not stored refs pending

On supercyclic sets of operators

Mohamed Amouch, Otmane Benchiheb

arxiv:1810.07577 v1 · 2018-10-17 · 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{JSS2OWW77P2WHUAY2Z3QBSNF5N}

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	2026-05-18T00:02:55.763302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ca5a75adffbf563d018d67700c9a5eb7692f6ca5270d610fd51f7384392b7d3

Aliases

arxiv: 1810.07577 · arxiv_version: 1810.07577v1 · doi: 10.48550/arxiv.1810.07577 · pith_short_12: JSS2OWW77P2W · pith_short_16: JSS2OWW77P2WHUAY · pith_short_8: JSS2OWW7

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/JSS2OWW77P2WHUAY2Z3QBSNF5N \
  | 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: 4ca5a75adffbf563d018d67700c9a5eb7692f6ca5270d610fd51f7384392b7d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c6a9ee1b63a724488ffc45dfd8ceed547a6204722d0c605f1a1c2d8ffd88d59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-10-17T14:31:53Z",
    "title_canon_sha256": "ebb280236fdb16dd14ff26b69ead1e1d1d68fb36dc48dfaa7c0906f9bf9f04e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07577",
    "kind": "arxiv",
    "version": 1
  }
}