Pith Number

pith:P5ZP3R3P

pith:2015:P5ZP3R3P6WJAZ6UVGNHXPD5EKC

not attested not anchored not stored refs pending

Stability estimates for the regularized inversion of the truncated Hilbert transform

Alexander Katsevich, Michel Defrise, Rima Alaifari

arxiv:1507.01141 v2 · 2015-07-04 · math.CA · math.FA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5ZP3R3P6WJAZ6UVGNHXPD5EKC}

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	2026-05-18T01:14:03.916290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f72fdc76ff5920cfa95334f778fa4508135d974ad80598b5c0df61f09f5f52d

Aliases

arxiv: 1507.01141 · arxiv_version: 1507.01141v2 · doi: 10.48550/arxiv.1507.01141 · pith_short_12: P5ZP3R3P6WJA · pith_short_16: P5ZP3R3P6WJAZ6UV · pith_short_8: P5ZP3R3P

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/P5ZP3R3P6WJAZ6UVGNHXPD5EKC \
  | 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: 7f72fdc76ff5920cfa95334f778fa4508135d974ad80598b5c0df61f09f5f52d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3416b0c5e6c1d98c2a7d9b35b95ebf5ba26bf9392ace44e97cf59afe16dd21f4",
    "cross_cats_sorted": [
      "math.FA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-07-04T20:47:54Z",
    "title_canon_sha256": "2b92e5ed8acf96a57d84439180d9bde368f2928c34f78d1b328386273ff08994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01141",
    "kind": "arxiv",
    "version": 2
  }
}