Pith Number

pith:DFFTQOG7

pith:2026:DFFTQOG7N56PZVB3IPEH6ITOKN

not attested not anchored not stored refs pending

On the Infinite Width and Depth Limits of Predictive Coding Networks

El Mehdi Achour, Francesco Innocenti, Rafal Bogacz

arxiv:2602.07697 v2 · 2026-02-07 · cs.LG · cs.AI · 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{DFFTQOG7N56PZVB3IPEH6ITOKN}

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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	2026-05-25T02:02:13.194828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194b3838df6f7cfcd43b43c87f226e5371f4254180826ec6236d2bba481fbeed

Aliases

arxiv: 2602.07697 · arxiv_version: 2602.07697v2 · doi: 10.48550/arxiv.2602.07697 · pith_short_12: DFFTQOG7N56P · pith_short_16: DFFTQOG7N56PZVB3 · pith_short_8: DFFTQOG7

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/DFFTQOG7N56PZVB3IPEH6ITOKN \
  | 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: 194b3838df6f7cfcd43b43c87f226e5371f4254180826ec6236d2bba481fbeed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb72da50ed75cc6282245af384bc5a055ec51982b1552d2403a97b958c1365ea",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-07T20:47:32Z",
    "title_canon_sha256": "41cc0c702dadbdf5de03f7be4823cf0eae0b01da2e760614fb218292206762e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.07697",
    "kind": "arxiv",
    "version": 2
  }
}