Pith Number

pith:LVD367G5

pith:2012:LVD367G5VGEOFW727QCO2HFJXR

not attested not anchored not stored refs pending

Positive matrices partitioned into a small number of Hermitian blocks

Eun-Young Lee, Jean-Christophe Bourin, Minghua Lin

arxiv:1210.2914 v1 · 2012-10-10 · 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{LVD367G5VGEOFW727QCO2HFJXR}

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	2026-05-18T03:43:31.143725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d47bf7cdda988e2dbfafc04ed1ca9bc4909d4cbf568f824b53868eb4e512ec7

Aliases

arxiv: 1210.2914 · arxiv_version: 1210.2914v1 · doi: 10.48550/arxiv.1210.2914 · pith_short_12: LVD367G5VGEO · pith_short_16: LVD367G5VGEOFW72 · pith_short_8: LVD367G5

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/LVD367G5VGEOFW727QCO2HFJXR \
  | 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: 5d47bf7cdda988e2dbfafc04ed1ca9bc4909d4cbf568f824b53868eb4e512ec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "585a581e5d964c29264bf12adfd26c166f801768da113ae5b9dfd4db3ac2c2d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2012-10-10T13:41:54Z",
    "title_canon_sha256": "83af449e6c765d5914fb9af0a4d6ab3864bcf37b15b3503dee3c72e625fc04a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2914",
    "kind": "arxiv",
    "version": 1
  }
}