Pith Number

pith:2GH3BO7Q

pith:2019:2GH3BO7QL7IS7ZOZC2MKI77366

not attested not anchored not stored refs pending

Controllability of the semilinear wave equation governed by a multiplicative control

Mohamed Ouzahra

arxiv:1901.04726 v1 · 2019-01-15 · 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{2GH3BO7QL7IS7ZOZC2MKI77366}

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	2026-05-17T23:56:21.930160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d18fb0bbf05fd12fe5d91698a47ffbf7bda35f7253f66cd8245ba971957d7520

Aliases

arxiv: 1901.04726 · arxiv_version: 1901.04726v1 · doi: 10.48550/arxiv.1901.04726 · pith_short_12: 2GH3BO7QL7IS · pith_short_16: 2GH3BO7QL7IS7ZOZ · pith_short_8: 2GH3BO7Q

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/2GH3BO7QL7IS7ZOZC2MKI77366 \
  | 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: d18fb0bbf05fd12fe5d91698a47ffbf7bda35f7253f66cd8245ba971957d7520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d0643bf4a0ee15a344fea23555c57dabb08ec875f9c956298ecec7d511f9bed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-01-15T09:25:56Z",
    "title_canon_sha256": "e3d597cd2b711a688acaf00dcc92b879667e11f9c4b791754ba4dacd4596a024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04726",
    "kind": "arxiv",
    "version": 1
  }
}