Pith Number

pith:JGBLMWLZ

pith:2019:JGBLMWLZ45XMISMEYEYFJGGDDE

not attested not anchored not stored refs pending

Measure of quality of finite-dimensional linear systems: A frame-theoretic view

Debasish Chatterjee, Mishal Assif PK, Mohammed Rayyan Sheriff

arxiv:1902.04548 v1 · 2019-02-12 · cs.SY · math.DS · 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{JGBLMWLZ45XMISMEYEYFJGGDDE}

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	2026-05-17T23:54:06.578308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4982b65979e76ec44984c1305498c31928d62ad15ac4ff7d84dda10329d4aaea

Aliases

arxiv: 1902.04548 · arxiv_version: 1902.04548v1 · doi: 10.48550/arxiv.1902.04548 · pith_short_12: JGBLMWLZ45XM · pith_short_16: JGBLMWLZ45XMISME · pith_short_8: JGBLMWLZ

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/JGBLMWLZ45XMISMEYEYFJGGDDE \
  | 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: 4982b65979e76ec44984c1305498c31928d62ad15ac4ff7d84dda10329d4aaea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fc407b02b967695b1c4b97f6c13a16ec259afa0496b0287aa79909bb471ad1b",
    "cross_cats_sorted": [
      "math.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2019-02-12T18:45:05Z",
    "title_canon_sha256": "40f460420d1776b97c48e94d56a00b816bfe0f35ffaedff50c86f8a52a64d076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04548",
    "kind": "arxiv",
    "version": 1
  }
}