Pith Number

pith:RBHHXQUI

pith:2014:RBHHXQUITQ5C7H663JND7WYCK5

not attested not anchored not stored refs pending

Approximate controllability for fractional diffusion equations by Dirichlet boundary control

Kenichi Fujishiro

arxiv:1404.0207 v3 · 2014-04-01 · 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{RBHHXQUITQ5C7H663JND7WYCK5}

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	2026-05-18T02:30:01.163808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

884e7bc2889c3a2f9fdeda5a3fdb0257551995c2b8a20bb909177abeb4cc8f81

Aliases

arxiv: 1404.0207 · arxiv_version: 1404.0207v3 · doi: 10.48550/arxiv.1404.0207 · pith_short_12: RBHHXQUITQ5C · pith_short_16: RBHHXQUITQ5C7H66 · pith_short_8: RBHHXQUI

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/RBHHXQUITQ5C7H663JND7WYCK5 \
  | 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: 884e7bc2889c3a2f9fdeda5a3fdb0257551995c2b8a20bb909177abeb4cc8f81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97ab6a36466ed7db6f2b4542e9fdfda8f99a95751ef507f16de612ae4bc7d5ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-04-01T11:48:36Z",
    "title_canon_sha256": "7a8e239d3dad0e1fda166f5e1d739849b1f315b1c8f95f033e4906eac0a5a72d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0207",
    "kind": "arxiv",
    "version": 3
  }
}