Pith Number

pith:TZ25N4HD

pith:2015:TZ25N4HDIUOITAEX5H7TOQGX5Y

not attested not anchored not stored refs pending

Learning optimal nonlinearities for iterative thresholding algorithms

Hassan Mansour, Ulugbek S. Kamilov

arxiv:1512.04754 v1 · 2015-12-15 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TZ25N4HDIUOITAEX5H7TOQGX5Y}

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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	2026-05-18T01:15:43.448127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e75d6f0e3451c898097e9ff3740d7ee137f07c6283e2d26a2f7d04b7dda2271

Aliases

arxiv: 1512.04754 · arxiv_version: 1512.04754v1 · doi: 10.48550/arxiv.1512.04754 · pith_short_12: TZ25N4HDIUOI · pith_short_16: TZ25N4HDIUOITAEX · pith_short_8: TZ25N4HD

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/TZ25N4HDIUOITAEX5H7TOQGX5Y \
  | 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: 9e75d6f0e3451c898097e9ff3740d7ee137f07c6283e2d26a2f7d04b7dda2271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fba6ec7a268e786c623bb37c42284861406e718e849bffcde0dd5f588cc18420",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-12-15T12:20:17Z",
    "title_canon_sha256": "dcf634f7571307cf44c3e18efe53af26337aa9656c9a86f976692480b84d9153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04754",
    "kind": "arxiv",
    "version": 1
  }
}