Pith Number

pith:K2ZOHZUG

pith:2018:K2ZOHZUG4OOTBYJIDRZ2AL4DBL

not attested not anchored not stored refs pending

Continuity of the core-EP inverse and its applications

Jianlong Chen, Pedro Patricio, Yuefeng Gao

arxiv:1805.08696 v3 · 2018-05-22 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2ZOHZUG4OOTBYJIDRZ2AL4DBL}

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	2026-05-18T00:12:03.688754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56b2e3e686e39d30e1281c73a02f830ae7aca0e8284e8dd7bd169c50b7870955

Aliases

arxiv: 1805.08696 · arxiv_version: 1805.08696v3 · doi: 10.48550/arxiv.1805.08696 · pith_short_12: K2ZOHZUG4OOT · pith_short_16: K2ZOHZUG4OOTBYJI · pith_short_8: K2ZOHZUG

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/K2ZOHZUG4OOTBYJIDRZ2AL4DBL \
  | 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: 56b2e3e686e39d30e1281c73a02f830ae7aca0e8284e8dd7bd169c50b7870955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fdbcf3c78e434ffb180fda0f5dafa5c3479252eec2306aa6e8872f269c4cb60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-05-22T16:05:53Z",
    "title_canon_sha256": "9954a6bee27fad38edeee084bc8ddce63e6456a9d1556a6fcde4df7921c4fe2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08696",
    "kind": "arxiv",
    "version": 3
  }
}