Pith Number

pith:VSPFR4JG

pith:2014:VSPFR4JGPMBMP6GTH7DYRSLAVN

not attested not anchored not stored refs pending

Bounds on Eigenvalues of a Spatial Correlation Matrix

David J. Love, Junil Choi

arxiv:1406.5263 v1 · 2014-06-20 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VSPFR4JGPMBMP6GTH7DYRSLAVN}

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	2026-05-18T02:49:19.516180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac9e58f1267b02c7f8d33fc788c960ab5c2b44c1f4073c1250450f3b22c8d3b4

Aliases

arxiv: 1406.5263 · arxiv_version: 1406.5263v1 · doi: 10.48550/arxiv.1406.5263 · pith_short_12: VSPFR4JGPMBM · pith_short_16: VSPFR4JGPMBMP6GT · pith_short_8: VSPFR4JG

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/VSPFR4JGPMBMP6GTH7DYRSLAVN \
  | 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: ac9e58f1267b02c7f8d33fc788c960ab5c2b44c1f4073c1250450f3b22c8d3b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6169e5cac7b76cb1d265380e549c972255e63a7081fb9c73711cb56e7638215",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-06-20T02:36:45Z",
    "title_canon_sha256": "109e577a36f5409e2550c7ff7c56bb24756126a79b71581da36154d013e05b73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5263",
    "kind": "arxiv",
    "version": 1
  }
}