Pith Number

pith:A4YH6RVK

pith:2017:A4YH6RVK3GNBZNKIE56LVWN4HB

not attested not anchored not stored refs pending

Scalable Co-Optimization of Morphology and Control in Embodied Machines

Hod Lipson, Josh Bongard, Nick Cheney, Vytas SunSpiral

arxiv:1706.06133 v2 · 2017-06-19 · 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{A4YH6RVK3GNBZNKIE56LVWN4HB}

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	2026-05-18T00:28:07.912591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07307f46aad99a1cb548277cbad9bc3860f0fc883ca39835d723e66072e0ef56

Aliases

arxiv: 1706.06133 · arxiv_version: 1706.06133v2 · doi: 10.48550/arxiv.1706.06133 · pith_short_12: A4YH6RVK3GNB · pith_short_16: A4YH6RVK3GNBZNKI · pith_short_8: A4YH6RVK

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/A4YH6RVK3GNBZNKIE56LVWN4HB \
  | 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: 07307f46aad99a1cb548277cbad9bc3860f0fc883ca39835d723e66072e0ef56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d625a22668be3bbc594056cad3f252d2c3b57a58ace80df6a23b38bd4e941f16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-06-19T18:47:57Z",
    "title_canon_sha256": "ae7a1e504b38814641bfb61b2b91a600e7449ab9f94b93e9ce1319fc304b22d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06133",
    "kind": "arxiv",
    "version": 2
  }
}