Pith Number

pith:BG7GYJSM

pith:2017:BG7GYJSMSHVSDT2YJJNCZFFUOF

not attested not anchored not stored refs pending

On continuity of solutions for parabolic control systems and input-to-state stability

Birgit Jacob, Felix Schwenninger, Hans Zwart

arxiv:1709.04261 v4 · 2017-09-13 · math.FA · 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{BG7GYJSMSHVSDT2YJJNCZFFUOF}

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	2026-05-18T00:00:13.596630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09be6c264c91eb21cf584a5a2c94b4715236ce572d56460dd4d4df4131228bb4

Aliases

arxiv: 1709.04261 · arxiv_version: 1709.04261v4 · doi: 10.48550/arxiv.1709.04261 · pith_short_12: BG7GYJSMSHVS · pith_short_16: BG7GYJSMSHVSDT2Y · pith_short_8: BG7GYJSM

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/BG7GYJSMSHVSDT2YJJNCZFFUOF \
  | 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: 09be6c264c91eb21cf584a5a2c94b4715236ce572d56460dd4d4df4131228bb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3464a063f0482394298e3a4dcdb722bd201434451df792837237a218bcfed2fe",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-09-13T11:38:33Z",
    "title_canon_sha256": "4205dc37038eea7454376ee4cba009c690b2be27e8330f5c80117688ec147d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04261",
    "kind": "arxiv",
    "version": 4
  }
}