Pith Number

pith:L4P5YOEC

pith:2020:L4P5YOECHJ5NVWGF6HKJG2ZVLT

not attested not anchored not stored refs pending

Learning Directed Locomotion in Modular Robots with Evolvable Morphologies

A.E. Eiben, Diederik M. Roijers, Fuda van Diggelen, Gongjin Lan, Jakub M. Tomczak, Matteo De Carlo

arxiv:2001.07804 v1 · 2020-01-21 · cs.NE · 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{L4P5YOECHJ5NVWGF6HKJG2ZVLT}

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	2026-07-05T00:35:05.078236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f1fdc38823a7adad8c5f1d4936b355ccf11e285af59b6834d8a5941b35e6add

Aliases

arxiv: 2001.07804 · arxiv_version: 2001.07804v1 · doi: 10.48550/arxiv.2001.07804 · pith_short_12: L4P5YOECHJ5N · pith_short_16: L4P5YOECHJ5NVWGF · pith_short_8: L4P5YOEC

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/L4P5YOECHJ5NVWGF6HKJG2ZVLT \
  | 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: 5f1fdc38823a7adad8c5f1d4936b355ccf11e285af59b6834d8a5941b35e6add

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f460165752c594d3c7ffee036ea799ad7d4577c63089f6c24a314862d6939f1a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-01-21T23:01:00Z",
    "title_canon_sha256": "3538e46ad194c02667d1572c69cab1f98e4bb1752673739bef589d086acdbbd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07804",
    "kind": "arxiv",
    "version": 1
  }
}