Pith Number

pith:UP3WHD35

pith:2025:UP3WHD35DEQZAMTP37P2SFKT7H

not attested not anchored not stored refs pending

Meta-Representational Predictive Coding: Neuroscience-Informed Self-Supervised Learning

Alexander Ororbia, Karl Friston, Rajesh P. N. Rao

arxiv:2503.21796 v2 · 2025-03-22 · cs.NE · cs.LG · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UP3WHD35DEQZAMTP37P2SFKT7H}

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	2026-07-03T01:17:11.128424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3f7638f7d192190326fdfdfa91553f9c9f703dc89551af79b193f5e780b6d5f

Aliases

arxiv: 2503.21796 · arxiv_version: 2503.21796v2 · doi: 10.48550/arxiv.2503.21796 · pith_short_12: UP3WHD35DEQZ · pith_short_16: UP3WHD35DEQZAMTP · pith_short_8: UP3WHD35

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/UP3WHD35DEQZAMTP37P2SFKT7H \
  | 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: a3f7638f7d192190326fdfdfa91553f9c9f703dc89551af79b193f5e780b6d5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91b1971f2cc49b675dbac4302a8584092500ab033bde7907b79bd094698e09d6",
    "cross_cats_sorted": [
      "cs.LG",
      "q-bio.NC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2025-03-22T22:13:14Z",
    "title_canon_sha256": "9990ffad39efbe2e2a5f40866269c550ed399debe11344e71f3b5021c2806b7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.21796",
    "kind": "arxiv",
    "version": 2
  }
}