Pith Number

pith:CMNIINAH

pith:2012:CMNIINAH4JCSECDPCQRHMI3D3D

not attested not anchored not stored refs pending

Reformulation of the extension of the $\nu$-metric for $H^{\infty}$

Amol Sasane, Marie Frentz

arxiv:1210.0402 v2 · 2012-10-01 · math.OC · math.FA · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMNIINAH4JCSECDPCQRHMI3D3D}

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	2026-05-18T03:36:46.207973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

131a843407e24522086f1422762363d8c61a739fd4f44a150f5cb2fcf9d4c6ba

Aliases

arxiv: 1210.0402 · arxiv_version: 1210.0402v2 · doi: 10.48550/arxiv.1210.0402 · pith_short_12: CMNIINAH4JCS · pith_short_16: CMNIINAH4JCSECDP · pith_short_8: CMNIINAH

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/CMNIINAH4JCSECDPCQRHMI3D3D \
  | 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: 131a843407e24522086f1422762363d8c61a739fd4f44a150f5cb2fcf9d4c6ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee0809f34a995b3395e631d729980fdc87d5e31ceb18d5c2c368dd583a11a4ad",
    "cross_cats_sorted": [
      "math.FA",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-10-01T13:46:29Z",
    "title_canon_sha256": "0c147947db171ca6eb0a64396aa1b662672f31e965ddf1e8c1c1ebfcae613af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0402",
    "kind": "arxiv",
    "version": 2
  }
}