Pith Number

pith:KZDYYB4U

pith:2010:KZDYYB4UV676WPMNNWAJKTQKKH

not attested not anchored not stored refs pending

Stability verification for monotone systems using homotopy algorithms

Bj\"orn S. R\"uffer, Fabian R. Wirth

arxiv:1005.0741 v1 · 2010-05-05 · math.NA · cs.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{KZDYYB4UV676WPMNNWAJKTQKKH}

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	2026-06-03T23:06:36.644996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56478c0794afbfeb3d8d6d80954e0a51f88d478d2e0691974756d89a1ed26306

Aliases

arxiv: 1005.0741 · arxiv_version: 1005.0741v1 · doi: 10.48550/arxiv.1005.0741 · pith_short_12: KZDYYB4UV676 · pith_short_16: KZDYYB4UV676WPMN · pith_short_8: KZDYYB4U

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/KZDYYB4UV676WPMNNWAJKTQKKH \
  | 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: 56478c0794afbfeb3d8d6d80954e0a51f88d478d2e0691974756d89a1ed26306

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df8f90ce5b2dd125f31dfdb4c68e14ddd7dc9b5ac14cf2e005d229a2086cfd31",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-05-05T12:55:56Z",
    "title_canon_sha256": "680244c68648fd469deeeeb7214fac4a48e5bb0ae6442469807fcc58ef497fac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0741",
    "kind": "arxiv",
    "version": 1
  }
}