Pith Number

pith:TWEYV4SK

pith:2016:TWEYV4SK3NSBXNBFWKLXY3OPYV

not attested not anchored not stored refs pending

Computing with quasiseparable matrices

ARIC), Clement Pernet (UGA

arxiv:1602.01246 v2 · 2016-02-03 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWEYV4SK3NSBXNBFWKLXY3OPYV}

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	2026-05-18T01:04:28.115309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d898af24adb641bb425b2977c6dcfc54151a9ed150c3da7c9e3b3cba3644e2e

Aliases

arxiv: 1602.01246 · arxiv_version: 1602.01246v2 · doi: 10.48550/arxiv.1602.01246 · pith_short_12: TWEYV4SK3NSB · pith_short_16: TWEYV4SK3NSBXNBF · pith_short_8: TWEYV4SK

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/TWEYV4SK3NSBXNBFWKLXY3OPYV \
  | 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: 9d898af24adb641bb425b2977c6dcfc54151a9ed150c3da7c9e3b3cba3644e2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbf2ff659b7592185b78cd6b2369cc560662c5498ec1ea23e6a9c94dbecbd784",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2016-02-03T10:11:19Z",
    "title_canon_sha256": "357e49e8880ec55e2c732cc70cdae814284cc4e5f0263ab4dcc8affc593eb199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01246",
    "kind": "arxiv",
    "version": 2
  }
}