Pith Number

pith:FUPXWAFV

pith:2021:FUPXWAFVSDX4B7X43TPRURDQYF

not attested not anchored not stored refs pending

Unbiased Gradient Estimation in Unrolled Computation Graphs with Persistent Evolution Strategies

Jascha Sohl-Dickstein, Luke Metz, Paul Vicol

arxiv:2112.13835 v1 · 2021-12-27 · 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{FUPXWAFVSDX4B7X43TPRURDQYF}

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	2026-07-05T03:43:57.458604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d1f7b00b590efc0fefcdcdf1a4470c141713285a41032fab22d24c2cb2458e4

Aliases

arxiv: 2112.13835 · arxiv_version: 2112.13835v1 · doi: 10.48550/arxiv.2112.13835 · pith_short_12: FUPXWAFVSDX4 · pith_short_16: FUPXWAFVSDX4B7X4 · pith_short_8: FUPXWAFV

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/FUPXWAFVSDX4B7X43TPRURDQYF \
  | 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: 2d1f7b00b590efc0fefcdcdf1a4470c141713285a41032fab22d24c2cb2458e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c942392fc581014fce0af61d25e0660b5a8b024b48f77a0ad98b384e8c2d86f",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-27T18:54:36Z",
    "title_canon_sha256": "45489c6a153fec1c592682f2691e995048c151709d655144249edf4f414c1f36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.13835",
    "kind": "arxiv",
    "version": 1
  }
}