Pith Number

pith:QC76ZEYU

pith:2016:QC76ZEYUHVHDEQWE26TDLD5CHJ

not attested not anchored not stored refs pending

Computationally enhanced projection methods for symmetric Sylvester and Lyapunov matrix equations

Davide Palitta, Valeria Simoncini

arxiv:1602.05033 v2 · 2016-02-16 · 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{QC76ZEYUHVHDEQWE26TDLD5CHJ}

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	2026-05-18T00:51:34.175855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80bfec93143d4e3242c4d7a6358fa23a5af78ed86f80d0f6b9d5a4b3d4e448b5

Aliases

arxiv: 1602.05033 · arxiv_version: 1602.05033v2 · doi: 10.48550/arxiv.1602.05033 · pith_short_12: QC76ZEYUHVHD · pith_short_16: QC76ZEYUHVHDEQWE · pith_short_8: QC76ZEYU

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/QC76ZEYUHVHDEQWE26TDLD5CHJ \
  | 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: 80bfec93143d4e3242c4d7a6358fa23a5af78ed86f80d0f6b9d5a4b3d4e448b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6d6cea2ce36525047204477d68dcc4da87ad5c4f49de2f2862ec70df7176099",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-16T14:36:43Z",
    "title_canon_sha256": "9af1fc5429d653c1d988c63909f09c9f4cb0b092590e5813b16cab080aebdbf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05033",
    "kind": "arxiv",
    "version": 2
  }
}