Pith Number

pith:6YSMFOEU

pith:2020:6YSMFOEU7HOF3WZAYOS4LVHUMD

not attested not anchored not stored refs pending

Generic canonical forms for perplectic and symplectic normal matrices

Philip Saltenberger, Ralph John de la Cruz

arxiv:2006.16790 v2 · 2020-06-27 · math.RA · cs.NA · 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{6YSMFOEU7HOF3WZAYOS4LVHUMD}

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	2026-07-05T01:18:04.104392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f624c2b894f9dc5ddb20c3a5c5d4f460ce2137798b73987c59dc643c7baf62ae

Aliases

arxiv: 2006.16790 · arxiv_version: 2006.16790v2 · doi: 10.48550/arxiv.2006.16790 · pith_short_12: 6YSMFOEU7HOF · pith_short_16: 6YSMFOEU7HOF3WZA · pith_short_8: 6YSMFOEU

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/6YSMFOEU7HOF3WZAYOS4LVHUMD \
  | 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: f624c2b894f9dc5ddb20c3a5c5d4f460ce2137798b73987c59dc643c7baf62ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35427100dbf31cb57509d28de2c2755f62d836212275a676232e1e23d230ce2d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2020-06-27T08:30:31Z",
    "title_canon_sha256": "50eb6bd3c1cd6464d5296198f3d6f0c3a248229dfdcd3a2db45d49f84e0e8c40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16790",
    "kind": "arxiv",
    "version": 2
  }
}