Pith Number

pith:HDKRHVXD

pith:2010:HDKRHVXDYDZYB6U4GVCVYPDDTC

not attested not anchored not stored refs pending

Riccati Diagonalization of Hermitian Matrices

Hiroshi Oike, Kazuyuki Fujii

arxiv:1004.1207 v2 · 2010-04-07 · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDKRHVXDYDZYB6U4GVCVYPDDTC}

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	2026-05-18T02:08:08.157177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38d513d6e3c0f380fa9c35455c3c63989fb115ab3b84e369413c58f85017f47b

Aliases

arxiv: 1004.1207 · arxiv_version: 1004.1207v2 · doi: 10.48550/arxiv.1004.1207 · pith_short_12: HDKRHVXDYDZY · pith_short_16: HDKRHVXDYDZYB6U4 · pith_short_8: HDKRHVXD

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/HDKRHVXDYDZYB6U4GVCVYPDDTC \
  | 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: 38d513d6e3c0f380fa9c35455c3c63989fb115ab3b84e369413c58f85017f47b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ff41abe78b200a1a82f7d4759b22e518c46dba36967556f04aff988e73b7734",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-04-07T23:20:39Z",
    "title_canon_sha256": "e3c427e1971ea6ac911ed27ac885b206b2280d6c3909ebf6f4f20624922e4bbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1207",
    "kind": "arxiv",
    "version": 2
  }
}