Pith Number

pith:52HNL64Z

pith:2018:52HNL64ZJMKRGVYYZVW3CHUNYT

not attested not anchored not stored refs pending

Discovering space - Grounding spatial topology and metric regularity in a naive agent's sensorimotor experience

Alban Laflaqui\`ere, Alexander Terekhov, Bruno Gas, J.Kevin O'Regan

arxiv:1806.02739 v2 · 2018-06-07 · cs.RO · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{52HNL64ZJMKRGVYYZVW3CHUNYT}

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	2026-05-18T00:04:12.852267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee8ed5fb994b15135718cd6db11e8dc4f7f50f23764ac446d841882a30e150a0

Aliases

arxiv: 1806.02739 · arxiv_version: 1806.02739v2 · doi: 10.48550/arxiv.1806.02739 · pith_short_12: 52HNL64ZJMKR · pith_short_16: 52HNL64ZJMKRGVYY · pith_short_8: 52HNL64Z

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/52HNL64ZJMKRGVYYZVW3CHUNYT \
  | 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: ee8ed5fb994b15135718cd6db11e8dc4f7f50f23764ac446d841882a30e150a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6141090f54ae908829cbcc6b3a2f9096e169b789248a70191d885ea61df62e4a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-06-07T15:51:21Z",
    "title_canon_sha256": "07f3f9cabb1a7baf54871d739556f73893dbcbda80110bf1f8edc195aff7b567"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02739",
    "kind": "arxiv",
    "version": 2
  }
}