Pith Number

pith:PWVY7GS2

pith:2016:PWVY7GS2YFDYHXEV43ICDJQROI

not attested not anchored not stored refs pending

Minimax Observers for Linear DAEs

Mihaly Petreczky, Sergiy Zhuk

arxiv:1608.08039 v4 · 2016-08-29 · 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{PWVY7GS2YFDYHXEV43ICDJQROI}

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	2026-05-18T00:50:35.460727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dab8f9a5ac14783dc95e6d021a611721d13ceeabfb4e28fb5b5c4f1f06c5499

Aliases

arxiv: 1608.08039 · arxiv_version: 1608.08039v4 · doi: 10.48550/arxiv.1608.08039 · pith_short_12: PWVY7GS2YFDY · pith_short_16: PWVY7GS2YFDYHXEV · pith_short_8: PWVY7GS2

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/PWVY7GS2YFDYHXEV43ICDJQROI \
  | 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: 7dab8f9a5ac14783dc95e6d021a611721d13ceeabfb4e28fb5b5c4f1f06c5499

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d381ed77352508c5dcc901b6e3290b92e7a5e395ade2fa91b7ab4117487f855",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-08-29T13:06:50Z",
    "title_canon_sha256": "667f7d7fd93076bbf9978a64e8022a4a0ac0a987e14e5313acf2255d8a5de513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08039",
    "kind": "arxiv",
    "version": 4
  }
}