Pith Number

pith:QLVFZGBH

pith:2017:QLVFZGBHH2HOB2WOGCUW3JCDV7

not attested not anchored not stored refs pending

Further results on the $(b, c)$-inverse, the outer inverse $A^{(2)}_{T, S}$ and the Moore-Penrose inverse in the Banach context

Enrico Boasso

arxiv:1710.10065 v1 · 2017-10-27 · 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{QLVFZGBHH2HOB2WOGCUW3JCDV7}

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	2026-05-18T00:31:54.823937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82ea5c98273e8ee0eace30a96da443afcd0c24a94c1bd1d1f9e7e18329f170bd

Aliases

arxiv: 1710.10065 · arxiv_version: 1710.10065v1 · doi: 10.48550/arxiv.1710.10065 · pith_short_12: QLVFZGBHH2HO · pith_short_16: QLVFZGBHH2HOB2WO · pith_short_8: QLVFZGBH

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/QLVFZGBHH2HOB2WOGCUW3JCDV7 \
  | 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: 82ea5c98273e8ee0eace30a96da443afcd0c24a94c1bd1d1f9e7e18329f170bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3df140dc1eccf3076ecef6aa59f8bbfbe14651079c9f0f3b2c9f7ec04d3de44c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-10-27T10:41:15Z",
    "title_canon_sha256": "88f4e28af3e37db6be1cc8e173092ff5723ccc2bebb8afd3af039fc570a1566d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10065",
    "kind": "arxiv",
    "version": 1
  }
}