Pith Number

pith:PYSLKGVY

pith:2019:PYSLKGVYELQTTBGTFLTVS36BQC

not attested not anchored not stored refs pending

Towards robustness guarantees for feedback-based optimization

Andrey Bernstein, John W. Simpson-Porco, Marcello Colombino

arxiv:1905.07363 v1 · 2019-05-17 · 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{PYSLKGVYELQTTBGTFLTVS36BQC}

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	2026-05-17T23:45:55.796755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e24b51ab822e13984d32ae7596fc180ab688ae39d927b6176b2dc9d132b4637

Aliases

arxiv: 1905.07363 · arxiv_version: 1905.07363v1 · doi: 10.48550/arxiv.1905.07363 · pith_short_12: PYSLKGVYELQT · pith_short_16: PYSLKGVYELQTTBGT · pith_short_8: PYSLKGVY

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/PYSLKGVYELQTTBGTFLTVS36BQC \
  | 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: 7e24b51ab822e13984d32ae7596fc180ab688ae39d927b6176b2dc9d132b4637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb0ae4ff0713936f21f410309de564d54143040a10dda744739590e4445e71f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-05-17T16:32:43Z",
    "title_canon_sha256": "eed37968f6ec950030df3fa61576741c83c1a022ad68a09dc1e901df6852b27d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07363",
    "kind": "arxiv",
    "version": 1
  }
}