Pith Number

pith:IPYLEFLH

pith:2017:IPYLEFLHNO6HI6AEENAF7GKKAY

not attested not anchored not stored refs pending

Sufficient Conditions for the Controllability of Wave Equations with a Transmission Condition at the Interface

Ludovick Gagnon

arxiv:1711.00448 v1 · 2017-11-01 · 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{IPYLEFLHNO6HI6AEENAF7GKKAY}

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	2026-05-18T00:31:32.052825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43f0b215676bbc74780423405f994a060f753c3df56b05884feeb1b8eb0cd38e

Aliases

arxiv: 1711.00448 · arxiv_version: 1711.00448v1 · doi: 10.48550/arxiv.1711.00448 · pith_short_12: IPYLEFLHNO6H · pith_short_16: IPYLEFLHNO6HI6AE · pith_short_8: IPYLEFLH

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/IPYLEFLHNO6HI6AEENAF7GKKAY \
  | 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: 43f0b215676bbc74780423405f994a060f753c3df56b05884feeb1b8eb0cd38e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04c591f6fa89876efda5814369b6eaa2fcee72ebb3f8967963b427acf970551b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-11-01T17:17:15Z",
    "title_canon_sha256": "4fce6f26b88b50e14fa72affa8d153fd6ed62f858fb7f8b513979bc5f4a53c8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00448",
    "kind": "arxiv",
    "version": 1
  }
}