Pith Number

pith:SGYV5LN6

pith:2009:SGYV5LN65DHC3GGV3PWUJB5KO5

not attested not anchored not stored refs pending

Differential Transfer Matrix Solution of Generalized Eigenvalue Problems

Sina Khorasani

arxiv:0909.3017 v5 · 2009-09-16 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SGYV5LN65DHC3GGV3PWUJB5KO5}

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	2026-05-18T03:56:58.462580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91b15eadbee8ce2d98d5dbed4487aa7762785c75915488b229e831f8d20ae855

Aliases

arxiv: 0909.3017 · arxiv_version: 0909.3017v5 · doi: 10.48550/arxiv.0909.3017 · pith_short_12: SGYV5LN65DHC · pith_short_16: SGYV5LN65DHC3GGV · pith_short_8: SGYV5LN6

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/SGYV5LN65DHC3GGV3PWUJB5KO5 \
  | 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: 91b15eadbee8ce2d98d5dbed4487aa7762785c75915488b229e831f8d20ae855

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd6ec5f95630305421f226531170c953d5c4284c429981acbb7097d32a1b8db7",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-09-16T14:07:14Z",
    "title_canon_sha256": "ee578bdca3ea940c66086e88130aa17766c5a8e82e64e05657135fdafef66888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3017",
    "kind": "arxiv",
    "version": 5
  }
}