Pith Number

pith:3HRM7OWF

pith:2013:3HRM7OWFT5ZZHBJ65QUBU66HD3

not attested not anchored not stored refs pending

A note on Sylvester-type equations

Chun-Yueh Chiang, Matthew M. Lin

arxiv:1311.2130 v4 · 2013-11-09 · 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{3HRM7OWFT5ZZHBJ65QUBU66HD3}

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	2026-05-18T02:32:22.498523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9e2cfbac59f7393853eec281a7bc71ed428f5d77c461fae3ecfdb068041f34a

Aliases

arxiv: 1311.2130 · arxiv_version: 1311.2130v4 · doi: 10.48550/arxiv.1311.2130 · pith_short_12: 3HRM7OWFT5ZZ · pith_short_16: 3HRM7OWFT5ZZHBJ6 · pith_short_8: 3HRM7OWF

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/3HRM7OWFT5ZZHBJ65QUBU66HD3 \
  | 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: d9e2cfbac59f7393853eec281a7bc71ed428f5d77c461fae3ecfdb068041f34a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11fbf03ac29e79f64f9c97288d2e5ae844e6d68bdac06dc13413f6e5e447e737",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-11-09T02:33:24Z",
    "title_canon_sha256": "816dde9608a4df4381f433505cbe285df9a35466b1f64e6cf2f5d596afac6c7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2130",
    "kind": "arxiv",
    "version": 4
  }
}