Pith Number

pith:MSA2C45X

pith:2017:MSA2C45XB5ICDWO75ZQVEDYGVH

not attested not anchored not stored refs pending

Computing nearest stable matrix pairs

Nicolas Gillis, Punit Sharma, Volker Mehrmann

arxiv:1704.03184 v1 · 2017-04-11 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MSA2C45XB5ICDWO75ZQVEDYGVH}

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	2026-05-17T23:58:05.549809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6481a173b70f5021d9dfee61520f06a9d5950a72f905f5551b7a89b67cd56cd4

Aliases

arxiv: 1704.03184 · arxiv_version: 1704.03184v1 · doi: 10.48550/arxiv.1704.03184 · pith_short_12: MSA2C45XB5IC · pith_short_16: MSA2C45XB5ICDWO7 · pith_short_8: MSA2C45X

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/MSA2C45XB5ICDWO75ZQVEDYGVH \
  | 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: 6481a173b70f5021d9dfee61520f06a9d5950a72f905f5551b7a89b67cd56cd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c324ebde4bac14744db16094662985daa4110ee778b995166998d5a519e0cf7",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-11T07:50:06Z",
    "title_canon_sha256": "3571be8c1f297c4fb9a868f48610c1740e322fc70c3ced14f229643885362945"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03184",
    "kind": "arxiv",
    "version": 1
  }
}