Pith Number

pith:O3TICX6R

pith:2018:O3TICX6RAS52I6EWRC4IOWNUPE

not attested not anchored not stored refs pending

Iterative hard-thresholding applied to optimal control problems with $L^0(\Omega)$ control cost

Daniel Wachsmuth

arxiv:1806.00297 v2 · 2018-06-01 · 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{O3TICX6RAS52I6EWRC4IOWNUPE}

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	2026-05-18T00:13:09.965200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76e6815fd104bba4789688b88759b47931f74bbc1cf270012b302061881f6af6

Aliases

arxiv: 1806.00297 · arxiv_version: 1806.00297v2 · doi: 10.48550/arxiv.1806.00297 · pith_short_12: O3TICX6RAS52 · pith_short_16: O3TICX6RAS52I6EW · pith_short_8: O3TICX6R

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/O3TICX6RAS52I6EWRC4IOWNUPE \
  | 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: 76e6815fd104bba4789688b88759b47931f74bbc1cf270012b302061881f6af6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af85d8fc1b046abf64f77b913e1f8e4e5fdba63dc458bcd344bb8a17dcf8e732",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-06-01T11:50:31Z",
    "title_canon_sha256": "45ca7ace2a7255c735776a8f1375a334199c5f8edcd8af2d99e2dc8e31c5cd93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00297",
    "kind": "arxiv",
    "version": 2
  }
}