Pith Number

pith:4SHNPK6I

pith:2015:4SHNPK6IOLP3V25V2J7LKX5D3W

not attested not anchored not stored refs pending

Multi-task additive models with shared transfer functions based on dictionary learning

Alhussein Fawzi, Mathieu Sinn, Pascal Frossard

arxiv:1505.04966 v1 · 2015-05-19 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SHNPK6IOLP3V25V2J7LKX5D3W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:05:22.626562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e48ed7abc872dfbaebb5d27eb55fa3dd9f8c8ae1c3e666cec2afb6dbe4754b06

Aliases

arxiv: 1505.04966 · arxiv_version: 1505.04966v1 · doi: 10.48550/arxiv.1505.04966 · pith_short_12: 4SHNPK6IOLP3 · pith_short_16: 4SHNPK6IOLP3V25V · pith_short_8: 4SHNPK6I

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/4SHNPK6IOLP3V25V2J7LKX5D3W \
  | 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: e48ed7abc872dfbaebb5d27eb55fa3dd9f8c8ae1c3e666cec2afb6dbe4754b06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48debeec4d0ed64997d074f5169323ee6893d33d102c35d77e5aa242cc5f8287",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-05-19T12:36:22Z",
    "title_canon_sha256": "f7e1dee50798f1c2f12e131e8d90291e4d300fb43e5148949a5ffde7cf88d5c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04966",
    "kind": "arxiv",
    "version": 1
  }
}