Pith Number

pith:3OFFBC56

pith:2021:3OFFBC56K3QDQGWKIWB5B6LTYI

not attested not anchored not stored refs pending

Active Inference and Epistemic Value in Graphical Models

Bart van Erp, Bert de Vries, Magnus Koudahl, Thijs van de Laar

arxiv:2109.00541 v2 · 2021-09-01 · stat.ML · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OFFBC56K3QDQGWKIWB5B6LTYI}

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	2026-07-05T04:12:02.358282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db8a508bbe56e0381aca4583d0f973c218fa60096b15371f14a399814c648110

Aliases

arxiv: 2109.00541 · arxiv_version: 2109.00541v2 · doi: 10.48550/arxiv.2109.00541 · pith_short_12: 3OFFBC56K3QD · pith_short_16: 3OFFBC56K3QDQGWK · pith_short_8: 3OFFBC56

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/3OFFBC56K3QDQGWKIWB5B6LTYI \
  | 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: db8a508bbe56e0381aca4583d0f973c218fa60096b15371f14a399814c648110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c632b96ef78a4f1094aaa2607de444e86f1af779e14a89ee8f696086d10ebea",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-09-01T16:43:35Z",
    "title_canon_sha256": "cd87b622d664f9b40e3e6f73cfcc47ec4d33c7198780f5c9e504d61f4485d831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00541",
    "kind": "arxiv",
    "version": 2
  }
}