Pith Number

pith:V2MK7S35

pith:2014:V2MK7S35AN3L6NKNTSBXKNMCKZ

not attested not anchored not stored refs pending

On the Fattorini Criterion for Approximate Controllability and Stabilizability of Parabolic Systems

INRIA Nancy - Grand Est / IECN / LMAM), Mehdi Badra (LMA-PAU), Tak\'eo Takahashi (IECN

arxiv:1401.7636 v1 · 2014-01-29 · 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{V2MK7S35AN3L6NKNTSBXKNMCKZ}

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	2026-05-18T02:44:22.880885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae98afcb7d0376bf354d9c83753582565af7258024b4b35a630376539cf15c7f

Aliases

arxiv: 1401.7636 · arxiv_version: 1401.7636v1 · doi: 10.48550/arxiv.1401.7636 · pith_short_12: V2MK7S35AN3L · pith_short_16: V2MK7S35AN3L6NKN · pith_short_8: V2MK7S35

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/V2MK7S35AN3L6NKNTSBXKNMCKZ \
  | 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: ae98afcb7d0376bf354d9c83753582565af7258024b4b35a630376539cf15c7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40e54307f010a34a5dece9867bffac1e6cf9c42da48d5725db2a5bc1d1783bd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-01-29T19:36:57Z",
    "title_canon_sha256": "c33bc50ede19b7c15965fd9c28314836974a935a409883d02b662a4fbeb34524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7636",
    "kind": "arxiv",
    "version": 1
  }
}