Pith Number

pith:XHZK4CSJ

pith:2026:XHZK4CSJLQOWR4WIS4HWAGSBHO

not attested not anchored not stored refs pending

An Adaptive Algorithm for the Approximation of General Linear-Parametric Optimization Problems

Alina Wittmann, Clemens Thielen, Levin Nemesch, Stefan Ruzika

arxiv:2606.17552 v1 · 2026-06-16 · math.OC · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XHZK4CSJLQOWR4WIS4HWAGSBHO}

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	2026-06-19T16:10:15.815704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9f2ae0a495c1d68f2c8970f601a413b98ad5bc01d3ac560ab7e0e3359aab914

Aliases

arxiv: 2606.17552 · arxiv_version: 2606.17552v1 · doi: 10.48550/arxiv.2606.17552 · pith_short_12: XHZK4CSJLQOW · pith_short_16: XHZK4CSJLQOWR4WI · pith_short_8: XHZK4CSJ

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/XHZK4CSJLQOWR4WIS4HWAGSBHO \
  | 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: b9f2ae0a495c1d68f2c8970f601a413b98ad5bc01d3ac560ab7e0e3359aab914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa4ac24232415d9ad0f89643c3421b27b0664579498a65b5172dfff0c58b013a",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-16T05:56:46Z",
    "title_canon_sha256": "7314774e1079716fd8228451d1ba8171a82a4e0bf854a259da4dc6b834e49e3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17552",
    "kind": "arxiv",
    "version": 1
  }
}