Pith Number

pith:F67CRKGA

pith:2015:F67CRKGAK4PWBBRBC7CRRZHQDS

not attested not anchored not stored refs pending

Linearizations for Rosenbrock system polynomials and rational matrix functions

Namita Behera, Rafikul Alam

arxiv:1505.03636 v1 · 2015-05-14 · 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{F67CRKGAK4PWBBRBC7CRRZHQDS}

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	2026-05-18T02:09:53.491517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fbe28a8c0571f60862117c518e4f01c809628fb94658b3bc03b6c9e404a3259

Aliases

arxiv: 1505.03636 · arxiv_version: 1505.03636v1 · doi: 10.48550/arxiv.1505.03636 · pith_short_12: F67CRKGAK4PW · pith_short_16: F67CRKGAK4PWBBRB · pith_short_8: F67CRKGA

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/F67CRKGAK4PWBBRBC7CRRZHQDS \
  | 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: 2fbe28a8c0571f60862117c518e4f01c809628fb94658b3bc03b6c9e404a3259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb6093daf38b7c91130516f8e8dec274b2898deb253adef22166c5e2a5faceb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-14T07:01:16Z",
    "title_canon_sha256": "89079df1a2dffec8e22aba779c76777735c1359c6ea56ca2a11fc7ef11b8f389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03636",
    "kind": "arxiv",
    "version": 1
  }
}