Pith Number

pith:CDZY6CX3

pith:2016:CDZY6CX32AVDC5NFEKOPOFAPOP

not attested not anchored not stored refs pending

Structured condition numbers and small sample condition estimation of symmetric algebraic Riccati equations

Dongmei Liu, Huai-An Diao, Sanzheng Qiao

arxiv:1601.03787 v2 · 2016-01-15 · 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{CDZY6CX32AVDC5NFEKOPOFAPOP}

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	2026-05-18T00:44:09.860823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10f38f0afbd02a3175a5229cf7140f73dab7afcfdb74f4bba3d2d6b12a3e5827

Aliases

arxiv: 1601.03787 · arxiv_version: 1601.03787v2 · doi: 10.48550/arxiv.1601.03787 · pith_short_12: CDZY6CX32AVD · pith_short_16: CDZY6CX32AVDC5NF · pith_short_8: CDZY6CX3

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/CDZY6CX32AVDC5NFEKOPOFAPOP \
  | 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: 10f38f0afbd02a3175a5229cf7140f73dab7afcfdb74f4bba3d2d6b12a3e5827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6639f316b7def981c4dcce2c9d399c1d769aaccae5798707354eac5d57a49f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-15T00:50:28Z",
    "title_canon_sha256": "dbb4ed927b50e1ac777d186d62fe56e62859f206a6c806f648e64a9257988e83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03787",
    "kind": "arxiv",
    "version": 2
  }
}