Pith Number

pith:2THX35EA

pith:2021:2THX35EAXSPSYIEHKJ7OW4KOUD

not attested not anchored not stored refs pending

Safe Pontryagin Differentiable Programming

George J. Pappas, Shaoshuai Mou, Wanxin Jin

arxiv:2105.14937 v2 · 2021-05-31 · cs.LG · cs.RO · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2THX35EAXSPSYIEHKJ7OW4KOUD}

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	2026-07-05T03:25:31.407141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4cf7df480bc9f2c2087527eeb714ea0dc7556d33fb533577e2c556cf87fe360

Aliases

arxiv: 2105.14937 · arxiv_version: 2105.14937v2 · doi: 10.48550/arxiv.2105.14937 · pith_short_12: 2THX35EAXSPS · pith_short_16: 2THX35EAXSPSYIEH · pith_short_8: 2THX35EA

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/2THX35EAXSPSYIEHKJ7OW4KOUD \
  | 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: d4cf7df480bc9f2c2087527eeb714ea0dc7556d33fb533577e2c556cf87fe360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c49a73f621ce5818f466773e100448a8b7c4490a8f24e665fdebe01d90309398",
    "cross_cats_sorted": [
      "cs.RO",
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-05-31T13:03:00Z",
    "title_canon_sha256": "e451a198f7c204e8b2332cdc9b8e47db39815bd20a53e35db1235de82378de45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14937",
    "kind": "arxiv",
    "version": 2
  }
}