Pith Number

pith:34E7ILTX

pith:2019:34E7ILTXEYEONHAXJ7COB3G64S

not attested not anchored not stored refs pending

A new characterization of generalized Browder's theorem and a Cline's formula for generalized Drazin-meromorphic inverses

Ankit Kumar, Anuradha Gupta

arxiv:1905.01599 v1 · 2019-05-05 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34E7ILTXEYEONHAXJ7COB3G64S}

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	2026-05-17T23:46:58.016298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df09f42e772608e69c174fc4e0ecdee48d0f4488334a40431fc911a0d522e7f1

Aliases

arxiv: 1905.01599 · arxiv_version: 1905.01599v1 · doi: 10.48550/arxiv.1905.01599 · pith_short_12: 34E7ILTXEYEO · pith_short_16: 34E7ILTXEYEONHAX · pith_short_8: 34E7ILTX

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/34E7ILTXEYEONHAXJ7COB3G64S \
  | 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: df09f42e772608e69c174fc4e0ecdee48d0f4488334a40431fc911a0d522e7f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52c9ffb6ddc56e58f8a43a95e383612d1139612ed908d7aae39ab0034fbf16a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2019-05-05T04:18:14Z",
    "title_canon_sha256": "693b070a5e65367176edeb1271951d3564bf76023636af22de6decdba8051efc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01599",
    "kind": "arxiv",
    "version": 1
  }
}