Pith Number

pith:AHKPXN4T

pith:2006:AHKPXN4TMLHXHHNCE56TZKOYTR

not attested not anchored not stored refs pending

Remarks on the Cayley Representation of Orthogonal Matrices and on Perturbing the Diagonal of a Matrix to Make it Invertible

Jean Gallier

arxiv:math/0606320 v2 · 2006-06-13 · math.NA · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AHKPXN4TMLHXHHNCE56TZKOYTR}

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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.

Cited by

1 paper in Pith

Learning Orthonormal Bases for Function Spaces

Receipt and verification

First computed	2026-05-18T03:07:32.327080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01d4fbb79362cf739da2277d3ca9d89c6ea87a1d4828ceb34d2e80643e6108fe

Aliases

arxiv: math/0606320 · arxiv_version: math/0606320v2 · doi: 10.48550/arxiv.math/0606320 · pith_short_12: AHKPXN4TMLHX · pith_short_16: AHKPXN4TMLHXHHNC · pith_short_8: AHKPXN4T

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/AHKPXN4TMLHXHHNCE56TZKOYTR \
  | 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: 01d4fbb79362cf739da2277d3ca9d89c6ea87a1d4828ceb34d2e80643e6108fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69bf8885a9bdad9594d2ae1fb2a003ca524856d1df0986711554eb0a245a064c",
    "cross_cats_sorted": [
      "math.GM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2006-06-13T21:47:20Z",
    "title_canon_sha256": "f500283cc878ca4db59eec709aaf508c53068d7e430a4bb4bdd1f9fa98fab114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0606320",
    "kind": "arxiv",
    "version": 2
  }
}