Pith Number

pith:IYJXGZPT

pith:2015:IYJXGZPTHLC3BT3GBHJQJCIJ4H

not attested not anchored not stored refs pending

Characterizations of the $(h,k,\mu,\nu)-$Trichotomy for Linear Time-Varying Systems

Ioan-Lucian Popa, Mihail Megan, Traian Ceau\c{s}u

arxiv:1512.01714 v1 · 2015-12-06 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYJXGZPTHLC3BT3GBHJQJCIJ4H}

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	2026-05-18T01:25:10.550819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46137365f33ac5b0cf6609d3048909e1f753f438ce9b9ebc87ee14373bbf59a4

Aliases

arxiv: 1512.01714 · arxiv_version: 1512.01714v1 · doi: 10.48550/arxiv.1512.01714 · pith_short_12: IYJXGZPTHLC3 · pith_short_16: IYJXGZPTHLC3BT3G · pith_short_8: IYJXGZPT

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/IYJXGZPTHLC3BT3GBHJQJCIJ4H \
  | 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: 46137365f33ac5b0cf6609d3048909e1f753f438ce9b9ebc87ee14373bbf59a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1240837d94473b9f67324de97382260a29c0ce8489e8772276ac432d5469d25b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-12-06T00:27:55Z",
    "title_canon_sha256": "f9d6ac87541061bac5d61a684d479d122efa09d1d0f0bb9d081b77ac12d02a89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01714",
    "kind": "arxiv",
    "version": 1
  }
}