Pith Number

pith:QLGX5UMN

pith:2017:QLGX5UMNWLAFPIGZFLYIWCBHD7

not attested not anchored not stored refs pending

Incremental computation of block triangular matrix exponentials with application to option pricing

Daniel Kressner, Francesco Statti, Robert Luce

arxiv:1703.00182 v3 · 2017-03-01 · math.NA · q-fin.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLGX5UMNWLAFPIGZFLYIWCBHD7}

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	2026-05-18T00:41:17.883608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82cd7ed18db2c057a0d92af08b08271ff553a48a8b65ef49bca29f913f76c68d

Aliases

arxiv: 1703.00182 · arxiv_version: 1703.00182v3 · doi: 10.48550/arxiv.1703.00182 · pith_short_12: QLGX5UMNWLAF · pith_short_16: QLGX5UMNWLAFPIGZ · pith_short_8: QLGX5UMN

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/QLGX5UMNWLAFPIGZFLYIWCBHD7 \
  | 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: 82cd7ed18db2c057a0d92af08b08271ff553a48a8b65ef49bca29f913f76c68d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "019f27a26da1fc3e24fd4bd456c35dfbdcfaef3e7e1330681c89183a737e4c80",
    "cross_cats_sorted": [
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-01T08:38:34Z",
    "title_canon_sha256": "5f73f2a3db0d31eb34435f7e14a8054c8af63330c16aeac5c443ddd39e3bbf50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00182",
    "kind": "arxiv",
    "version": 3
  }
}