Pith Number

pith:CJ7NWVNT

pith:2019:CJ7NWVNTWUZJ36A3JNDQ4RBNOA

not attested not anchored not stored refs pending

Diskcyclicity of sets of operators and applications

Mohamed Amouch, Otmane Benchiheb

arxiv:1905.04507 v2 · 2019-05-11 · 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{CJ7NWVNTWUZJ36A3JNDQ4RBNOA}

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	2026-05-17T23:40:03.494874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

127edb55b3b5329df81b4b470e442d7002971753222e9adf68983ffce1645278

Aliases

arxiv: 1905.04507 · arxiv_version: 1905.04507v2 · doi: 10.48550/arxiv.1905.04507 · pith_short_12: CJ7NWVNTWUZJ · pith_short_16: CJ7NWVNTWUZJ36A3 · pith_short_8: CJ7NWVNT

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/CJ7NWVNTWUZJ36A3JNDQ4RBNOA \
  | 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: 127edb55b3b5329df81b4b470e442d7002971753222e9adf68983ffce1645278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15e354809b808fab7630a7c22a780d3c58f07980e9c6584360e0031cc9fc5db0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-05-11T11:44:32Z",
    "title_canon_sha256": "f668509db228439ab8f047b5c3ae09518b882d4e81d30bd9384bddfdaa9e3597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04507",
    "kind": "arxiv",
    "version": 2
  }
}