Pith Number

pith:POMIHO76

pith:2019:POMIHO76WGTYI2YD7CZ7I4VJOY

not attested not anchored not stored refs pending

How Can We Be So Dense? The Benefits of Using Highly Sparse Representations

Luiz Scheinkman, Subutai Ahmad

arxiv:1903.11257 v2 · 2019-03-27 · 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{POMIHO76WGTYI2YD7CZ7I4VJOY}

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.

Cited by

1 paper in Pith

Selectivity and Shape in the Design of Forward-Forward Goodness Functions

Receipt and verification

First computed	2026-05-17T23:49:38.343261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b9883bbfeb1a7846b03f8b3f472a9761bf1b2b6a2cfa3632fbd2f51db9f18e2

Aliases

arxiv: 1903.11257 · arxiv_version: 1903.11257v2 · doi: 10.48550/arxiv.1903.11257 · pith_short_12: POMIHO76WGTY · pith_short_16: POMIHO76WGTYI2YD · pith_short_8: POMIHO76

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/POMIHO76WGTYI2YD7CZ7I4VJOY \
  | 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: 7b9883bbfeb1a7846b03f8b3f472a9761bf1b2b6a2cfa3632fbd2f51db9f18e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "723f47ef217582450e79c199a103b2e80865d9fa139a6ae80ba976245498d464",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-27T05:43:33Z",
    "title_canon_sha256": "05de051411dbfae843cb1f7a4fe1c84e88e7b113145232801b020e82285e4f76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11257",
    "kind": "arxiv",
    "version": 2
  }
}