Pith Number

pith:QKFYA7L2

pith:2018:QKFYA7L2UDGTSF43EZ2PAPN3ID

not attested not anchored not stored refs pending

Analytic interpolation into the tetrablock and a $\mu$-synthesis problem

A. Ajibo, N. J. Young, Z. A. Lykova

arxiv:1802.09056 v2 · 2018-02-25 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKFYA7L2UDGTSF43EZ2PAPN3ID}

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	2026-05-18T00:16:42.143500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828b807d7aa0cd39179b2674f03dbb40ed4be6efc5980f3f29ecec964f4441a6

Aliases

arxiv: 1802.09056 · arxiv_version: 1802.09056v2 · doi: 10.48550/arxiv.1802.09056 · pith_short_12: QKFYA7L2UDGT · pith_short_16: QKFYA7L2UDGTSF43 · pith_short_8: QKFYA7L2

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/QKFYA7L2UDGTSF43EZ2PAPN3ID \
  | 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: 828b807d7aa0cd39179b2674f03dbb40ed4be6efc5980f3f29ecec964f4441a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd92ab5c63a37d2481d2f4ea45a5f7750f77804e48b9de288b5ff6a96783ce19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-02-25T18:29:40Z",
    "title_canon_sha256": "11d8043ab8ab4c439b3325e4ab3ec6275991e49a7de7f2ca450af86b9ff7921d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09056",
    "kind": "arxiv",
    "version": 2
  }
}