Pith Number

pith:I3XFMFI3

pith:2020:I3XFMFI3SHHMYFNEPTSTG4XK7V

not attested not anchored not stored refs pending

SpatialSim: Recognizing Spatial Configurations of Objects with Graph Neural Networks

Katja Hofmann, Laetitia Teodorescu, Pierre-Yves Oudeyer

arxiv:2004.04546 v2 · 2020-04-09 · cs.LG · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I3XFMFI3SHHMYFNEPTSTG4XK7V}

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	2026-07-05T01:19:52.463718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46ee56151b91cecc15a47ce53372eafd7bdc602ae4fdad2e9d0ce7685c13e754

Aliases

arxiv: 2004.04546 · arxiv_version: 2004.04546v2 · doi: 10.48550/arxiv.2004.04546 · pith_short_12: I3XFMFI3SHHM · pith_short_16: I3XFMFI3SHHMYFNE · pith_short_8: I3XFMFI3

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/I3XFMFI3SHHMYFNEPTSTG4XK7V \
  | 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: 46ee56151b91cecc15a47ce53372eafd7bdc602ae4fdad2e9d0ce7685c13e754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9784494034155f9db938a1963ec833301e51f751a1e9a1eb2d28c9f0362643da",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-04-09T14:13:20Z",
    "title_canon_sha256": "8d0debc8325777f20e01569b8ad80388cd2dac232f9ea355bbc8d101b82bb4b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04546",
    "kind": "arxiv",
    "version": 2
  }
}