Pith Number

pith:D2AXZXDO

pith:2018:D2AXZXDOPR6RVW2FQTAH76E3G2

not attested not anchored not stored refs pending

Don't Unroll Adjoint: Differentiating SSA-Form Programs

Michael Innes

arxiv:1810.07951 v4 · 2018-10-18 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2AXZXDOPR6RVW2FQTAH76E3G2}

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

7 papers in Pith

Investigating Action Encodings in Recurrent Neural Networks in Reinforcement Learning

PEPSKit.jl: A Julia package for projected entangled-pair state simulations

Interpretable Machine Learning for Science with PySR and SymbolicRegression.jl

A Riemannian quasi-Newton algorithm for optimization with Euclidean bounds

Efficient optimisation of multi-parameter quantum control protocols for strongly-coupled systems

Receipt and verification

First computed	2026-05-17T23:51:43.782936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e817cdc6e7c7d1adb4584c07ff89b36a184bdd009fc2c8cd7bbe179fd48a3ac

Aliases

arxiv: 1810.07951 · arxiv_version: 1810.07951v4 · doi: 10.48550/arxiv.1810.07951 · pith_short_12: D2AXZXDOPR6R · pith_short_16: D2AXZXDOPR6RVW2F · pith_short_8: D2AXZXDO

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/D2AXZXDOPR6RVW2FQTAH76E3G2 \
  | 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: 1e817cdc6e7c7d1adb4584c07ff89b36a184bdd009fc2c8cd7bbe179fd48a3ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17e60c0048483f978241b7165f44a699570c49b9ed4e5511cb689def4e9b55ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-10-18T08:48:12Z",
    "title_canon_sha256": "693476a771b0cbfe4e7a988a001fbe1ec2f42dbddb739b5d77e20c84c9911535"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07951",
    "kind": "arxiv",
    "version": 4
  }
}