Pith Number

pith:IM2467QG

pith:2013:IM2467QGLYKCYW4YNQID7VTWWP

not attested not anchored not stored refs pending

A weak*-topological dichotomy with applications in operator theory

Niels Jakob Laustsen, Piotr Koszmider, Tomasz Kania

arxiv:1303.0020 v3 · 2013-02-28 · math.FA · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IM2467QGLYKCYW4YNQID7VTWWP}

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	2026-05-18T02:17:43.327830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4335cf7e065e142c5b986c103fd676b3d34da7d9dc2a3c8dca4ad4b592fe21f5

Aliases

arxiv: 1303.0020 · arxiv_version: 1303.0020v3 · doi: 10.48550/arxiv.1303.0020 · pith_short_12: IM2467QGLYKC · pith_short_16: IM2467QGLYKCYW4Y · pith_short_8: IM2467QG

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/IM2467QGLYKCYW4YNQID7VTWWP \
  | 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: 4335cf7e065e142c5b986c103fd676b3d34da7d9dc2a3c8dca4ad4b592fe21f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1fe47d07da27cb37ecec3f2ebc82de35e798d2072e26b6f64f0937b712407ba",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-02-28T21:26:05Z",
    "title_canon_sha256": "96e3bc49712b005eb4ce7187f75b372e3cfcc50db4b2750b5620d69e4b220d0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0020",
    "kind": "arxiv",
    "version": 3
  }
}