Pith Number

pith:FSLSO7PS

pith:2016:FSLSO7PSGXPMU5KAUHJTVXQ3VA

not attested not anchored not stored refs pending

Randomized Matrix-free Trace and Log-Determinant Estimators

Alen Alexanderian, Arvind K. Saibaba, Ilse C.F. Ipsen

arxiv:1605.04893 v2 · 2016-05-16 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FSLSO7PSGXPMU5KAUHJTVXQ3VA}

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	2026-05-18T00:50:40.204004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c97277df235deca7540a1d33ade1ba83781f59f8c816230629832f81caa1d2e

Aliases

arxiv: 1605.04893 · arxiv_version: 1605.04893v2 · doi: 10.48550/arxiv.1605.04893 · pith_short_12: FSLSO7PSGXPM · pith_short_16: FSLSO7PSGXPMU5KA · pith_short_8: FSLSO7PS

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/FSLSO7PSGXPMU5KAUHJTVXQ3VA \
  | 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: 2c97277df235deca7540a1d33ade1ba83781f59f8c816230629832f81caa1d2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d97683078c2590a54019ab065a521cb97918529ab38f9a2a39def1fdea874d1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-05-16T19:57:46Z",
    "title_canon_sha256": "3d7a2fa64e8b1aadfd27e8d1f836ec4f5425448de047ac81662410fb2f2a24f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04893",
    "kind": "arxiv",
    "version": 2
  }
}