Pith Number

pith:ER36CFQC

pith:2018:ER36CFQCCCQMTWKYW2HE37EQXR

not attested not anchored not stored refs pending

Representations and properties of the W-weighted core-EP inverse

Jianlong Chen, Pedro Patricio, Yuefeng Gao

arxiv:1803.10186 v4 · 2018-03-27 · 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{ER36CFQCCCQMTWKYW2HE37EQXR}

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	2026-05-17T23:45:46.891996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2477e1160210a0c9d958b68e4dfc90bc6ab959d61d946f50b34eeaa79a2e1249

Aliases

arxiv: 1803.10186 · arxiv_version: 1803.10186v4 · doi: 10.48550/arxiv.1803.10186 · pith_short_12: ER36CFQCCCQM · pith_short_16: ER36CFQCCCQMTWKY · pith_short_8: ER36CFQC

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/ER36CFQCCCQMTWKYW2HE37EQXR \
  | 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: 2477e1160210a0c9d958b68e4dfc90bc6ab959d61d946f50b34eeaa79a2e1249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b03620fd45d2e07194480c92ad7a9157029959663b4c3806a0d8898e2780c45d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-03-27T17:10:20Z",
    "title_canon_sha256": "d43418c7613fae62601988522df4e5e703edd6dc38bb52369ddd024cb14ed321"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10186",
    "kind": "arxiv",
    "version": 4
  }
}