Pith Number

pith:E4NU5TR3

pith:2023:E4NU5TR3VIGG746XWQVUV6GLVA

not attested not anchored not stored refs pending

Realising Synthetic Active Inference Agents, Part II: Variational Message Updates

Bert de Vries, Magnus Koudahl, Thijs van de Laar

arxiv:2306.02733 v3 · 2023-06-05 · stat.ML · 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{E4NU5TR3VIGG746XWQVUV6GLVA}

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	2026-07-05T09:55:52.100368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271b4ece3baa0c6ff3d7b42b4af8cba8147fbcc2cca9bbc51000f8b24ff3f998

Aliases

arxiv: 2306.02733 · arxiv_version: 2306.02733v3 · doi: 10.48550/arxiv.2306.02733 · pith_short_12: E4NU5TR3VIGG · pith_short_16: E4NU5TR3VIGG746X · pith_short_8: E4NU5TR3

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/E4NU5TR3VIGG746XWQVUV6GLVA \
  | 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: 271b4ece3baa0c6ff3d7b42b4af8cba8147fbcc2cca9bbc51000f8b24ff3f998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd683c3a2d74e86538371d6f28e4c6cf3e527aab17a1f65448841c06213ed56e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2023-06-05T09:29:46Z",
    "title_canon_sha256": "38a88f670a622dcd8a6d0b01acca0fdad6d0a95026f4c87142b83fb8ae5a8cbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.02733",
    "kind": "arxiv",
    "version": 3
  }
}