Pith Number

pith:QZEZEFFG

pith:2018:QZEZEFFGG53D4MIMYMQ3ZJXWKE

not attested not anchored not stored refs pending

Modal approach to the controllability problem of distributed parameter systems with damping

Alexander Zuyev

arxiv:1803.00129 v1 · 2018-02-28 · 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{QZEZEFFGG53D4MIMYMQ3ZJXWKE}

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	2026-05-18T00:22:13.275152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86499214a637763e310cc321bca6f651129228e0927ad372ceb01bf953e3c21c

Aliases

arxiv: 1803.00129 · arxiv_version: 1803.00129v1 · doi: 10.48550/arxiv.1803.00129 · pith_short_12: QZEZEFFGG53D · pith_short_16: QZEZEFFGG53D4MIM · pith_short_8: QZEZEFFG

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/QZEZEFFGG53D4MIMYMQ3ZJXWKE \
  | 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: 86499214a637763e310cc321bca6f651129228e0927ad372ceb01bf953e3c21c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5292bafb3253038a7525e13786220bccde40f8a5583aebb8a172064603a1bbe4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-28T23:12:47Z",
    "title_canon_sha256": "aa7d95f15a02ee61910b74ae3f1bcb884643dc1e9dc89ae2f85a342e3b2ce727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00129",
    "kind": "arxiv",
    "version": 1
  }
}