Pith Number

pith:B43ZXEZJ

pith:2018:B43ZXEZJUJWUVFKXS3FX5TXA5D

not attested not anchored not stored refs pending

A characterization of proximity operators

DANTE), Mila Nikolova (CMLA), R\'emi Gribonval (PANAMA

arxiv:1807.04014 v4 · 2018-07-11 · math.CA · eess.SP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B43ZXEZJUJWUVFKXS3FX5TXA5D}

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	2026-07-05T00:42:51.601326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f379b9329a26d4a955796cb7ecee0e8c2b75fd36aee46edf8dadb534c69ef72

Aliases

arxiv: 1807.04014 · arxiv_version: 1807.04014v4 · doi: 10.48550/arxiv.1807.04014 · pith_short_12: B43ZXEZJUJWU · pith_short_16: B43ZXEZJUJWUVFKX · pith_short_8: B43ZXEZJ

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/B43ZXEZJUJWUVFKXS3FX5TXA5D \
  | 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: 0f379b9329a26d4a955796cb7ecee0e8c2b75fd36aee46edf8dadb534c69ef72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd2f326908e15a2f2503c9758f8f2bf8a79769b472d0feeca582cb995f211861",
    "cross_cats_sorted": [
      "eess.SP",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-07-11T09:06:44Z",
    "title_canon_sha256": "2f9017effe9f5c29a1610f2096500fba3cd1cec088351f819ec4f668603f635c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04014",
    "kind": "arxiv",
    "version": 4
  }
}