Pith Number

pith:U3I7SSAF

pith:2015:U3I7SSAF2SKLMPMHVYXOS3KLQW

not attested not anchored not stored refs pending

Output feedback control of the linear Korteweg-de Vries equation

Eduardo Cerpa, Swann Marx (SATIE)

arxiv:1503.00225 v1 · 2015-03-01 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3I7SSAF2SKLMPMHVYXOS3KLQW}

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	2026-05-18T02:25:54.861505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6d1f94805d494b63d87ae2ee96d4b859c3070fd2631a6a5ba0829773fff059d

Aliases

arxiv: 1503.00225 · arxiv_version: 1503.00225v1 · doi: 10.48550/arxiv.1503.00225 · pith_short_12: U3I7SSAF2SKL · pith_short_16: U3I7SSAF2SKLMPMH · pith_short_8: U3I7SSAF

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/U3I7SSAF2SKLMPMHVYXOS3KLQW \
  | 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: a6d1f94805d494b63d87ae2ee96d4b859c3070fd2631a6a5ba0829773fff059d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75eac7132bb3c55903d9a912f78631ded9286e019d4861fb1a5da3daee396f8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-03-01T07:18:22Z",
    "title_canon_sha256": "074a891a3b92fe2ce623168bfbe1320ab83a2236da66bbb8957e9c2f2c81df98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00225",
    "kind": "arxiv",
    "version": 1
  }
}