Pith Number

pith:PXPECMRW

pith:2008:PXPECMRWRMFYQJD5SYKGSD7FR6

not attested not anchored not stored refs pending

Equivalence of robust stabilization and robust performance via feedback

G.J. Groenewald, J.A. Ball, Q. Fang, S. ter Horst

arxiv:0808.2578 v1 · 2008-08-19 · 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{PXPECMRWRMFYQJD5SYKGSD7FR6}

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	2026-07-04T15:13:42.328773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dde4132368b0b88247d9614690fe58fa532f855aedbe0f31476283021d1eca6

Aliases

arxiv: 0808.2578 · arxiv_version: 0808.2578v1 · doi: 10.48550/arxiv.0808.2578 · pith_short_12: PXPECMRWRMFY · pith_short_16: PXPECMRWRMFYQJD5 · pith_short_8: PXPECMRW

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/PXPECMRWRMFYQJD5SYKGSD7FR6 \
  | 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: 7dde4132368b0b88247d9614690fe58fa532f855aedbe0f31476283021d1eca6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a21456793af98af679db2786c5b1dd55e4ee7e4771c3d6d213af5cdd546a3fbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2008-08-19T12:04:13Z",
    "title_canon_sha256": "2ffa56625657e7825901611deb6b5c6bef8e255056d231b5e25df2f3e1d29521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2578",
    "kind": "arxiv",
    "version": 1
  }
}