Pith Number

pith:2XOBEGSP

pith:2014:2XOBEGSPP3WFYCBPPJIWNKDJ4Y

not attested not anchored not stored refs pending

Weighted Moore-Penrose invertible and weighted EP Banach algebra elements

Dijana Mosic, Dragan S. Djordjevic, Enrico Boasso

arxiv:1401.0469 v1 · 2014-01-02 · 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{2XOBEGSPP3WFYCBPPJIWNKDJ4Y}

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	2026-05-18T03:03:23.154118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5dc121a4f7eec5c082f7a5166a869e6325e6bc6527fd72c10c0bf62aa6aa36e

Aliases

arxiv: 1401.0469 · arxiv_version: 1401.0469v1 · doi: 10.48550/arxiv.1401.0469 · pith_short_12: 2XOBEGSPP3WF · pith_short_16: 2XOBEGSPP3WFYCBP · pith_short_8: 2XOBEGSP

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/2XOBEGSPP3WFYCBPPJIWNKDJ4Y \
  | 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: d5dc121a4f7eec5c082f7a5166a869e6325e6bc6527fd72c10c0bf62aa6aa36e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63502a40e273d6e195b267867d3ca86faa48bc243d74dcd55883b0742959d3a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-01-02T16:45:08Z",
    "title_canon_sha256": "a6e3e2f6ccd35cf3cea61690261d05e22400267914ed40348213d9837da0c46c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0469",
    "kind": "arxiv",
    "version": 1
  }
}