Pith Number

pith:RDJZWGC2

pith:2024:RDJZWGC2RM6JDNOYNND662EXTH

not attested not anchored not stored refs pending

Moonwalk: Inverse-Forward Differentiation

Armin Karamzade, Dmitrii Krylov, Roy Fox

arxiv:2402.14212 v4 · 2024-02-22 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RDJZWGC2RM6JDNOYNND662EXTH}

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	2026-05-25T02:01:00.562557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88d39b185a8b3c91b5d86b47ef689799eda44252a142fe97c003414bb1b3f5e2

Aliases

arxiv: 2402.14212 · arxiv_version: 2402.14212v4 · doi: 10.48550/arxiv.2402.14212 · pith_short_12: RDJZWGC2RM6J · pith_short_16: RDJZWGC2RM6JDNOY · pith_short_8: RDJZWGC2

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/RDJZWGC2RM6JDNOYNND662EXTH \
  | 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: 88d39b185a8b3c91b5d86b47ef689799eda44252a142fe97c003414bb1b3f5e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8011112a1569bd5de67eae90933858ff77e345e2402730fa4ee2ff3c93873c11",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-02-22T01:33:31Z",
    "title_canon_sha256": "b9397eaa68045e840a19c2ede6189efc7cc86b2b58220f11b1e57952d9e85de6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.14212",
    "kind": "arxiv",
    "version": 4
  }
}