Pith Number

pith:WR2XTKWM

pith:2016:WR2XTKWMDXAYLLFLNIF7NKXAUB

not attested not anchored not stored refs pending

Learning Representations by Stochastic Meta-Gradient Descent in Neural Networks

Richard S. Sutton, Shangtong Zhang, Vivek Veeriah

arxiv:1612.02879 v2 · 2016-12-09 · cs.LG · cs.AI · 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{WR2XTKWMDXAYLLFLNIF7NKXAUB}

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	2026-05-18T00:45:30.183940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b47579aacc1dc185acab6a0bf6aae0a040fd824ee9b79eb0ffd52a1697ccb0fc

Aliases

arxiv: 1612.02879 · arxiv_version: 1612.02879v2 · doi: 10.48550/arxiv.1612.02879 · pith_short_12: WR2XTKWMDXAY · pith_short_16: WR2XTKWMDXAYLLFL · pith_short_8: WR2XTKWM

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/WR2XTKWMDXAYLLFLNIF7NKXAUB \
  | 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: b47579aacc1dc185acab6a0bf6aae0a040fd824ee9b79eb0ffd52a1697ccb0fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012adda5d17c765eb417b830346b0b2520d2f80a03abf85a09db5c63c2ee92c2",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-12-09T00:56:42Z",
    "title_canon_sha256": "991b7112d0410fe179e7d333a759551b5a4e2a48943a689e4fd2951e8e2ec0f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02879",
    "kind": "arxiv",
    "version": 2
  }
}