Pith Number

pith:KSIKJD63

pith:2018:KSIKJD63LYY37ESYYLWNQGCP2F

not attested not anchored not stored refs pending

Regular elements determined by generalized inverses

Adel Alahmadi, Andr\'e Leroy, S. K. Jain

arxiv:1806.10212 v2 · 2018-06-26 · 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{KSIKJD63LYY37ESYYLWNQGCP2F}

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	2026-05-18T00:11:56.488027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5490a48fdb5e31bf9258c2ecd8184fd1721815f53ddc764218ef616f4cf04ff8

Aliases

arxiv: 1806.10212 · arxiv_version: 1806.10212v2 · doi: 10.48550/arxiv.1806.10212 · pith_short_12: KSIKJD63LYY3 · pith_short_16: KSIKJD63LYY37ESY · pith_short_8: KSIKJD63

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/KSIKJD63LYY37ESYYLWNQGCP2F \
  | 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: 5490a48fdb5e31bf9258c2ecd8184fd1721815f53ddc764218ef616f4cf04ff8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de9c4527ce4a79f58e4abec4f5c12b1379ac45461cd344222a08e74edca9edf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-06-26T21:12:29Z",
    "title_canon_sha256": "36b771f69be83ec26afb4df3d96302c84a9b7b8c7a74e14d205c1dc5ec332c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10212",
    "kind": "arxiv",
    "version": 2
  }
}