Pith Number

pith:UHRPXHUU

pith:2022:UHRPXHUUI4S6XRJ75UWXGCVX2H

not attested not anchored not stored refs pending

Gradient Descent Temporal Difference-difference Learning

James M. Murray, Rong J.B. Zhu

arxiv:2209.04624 v1 · 2022-09-10 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHRPXHUUI4S6XRJ75UWXGCVX2H}

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	2026-07-05T04:56:03.556618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e2fb9e944725ebc53fed2d730ab7d1c039f16b99702e7c77e40f5024d62f2a

Aliases

arxiv: 2209.04624 · arxiv_version: 2209.04624v1 · doi: 10.48550/arxiv.2209.04624 · pith_short_12: UHRPXHUUI4S6 · pith_short_16: UHRPXHUUI4S6XRJ7 · pith_short_8: UHRPXHUU

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/UHRPXHUUI4S6XRJ75UWXGCVX2H \
  | 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: a1e2fb9e944725ebc53fed2d730ab7d1c039f16b99702e7c77e40f5024d62f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a12f7d92f8f97d3fae8ec9181aa347ca2f44e8f074eb127366a4c91b18f0a40c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-09-10T08:55:20Z",
    "title_canon_sha256": "63022470a25a240c0eedc576f8d105f7db2b49d9f7c1999eb1b11714050c3ea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.04624",
    "kind": "arxiv",
    "version": 1
  }
}