Pith Number

pith:PYKQWI26

pith:2025:PYKQWI26JDJGPZN52Z6DJ62GU7

not attested not anchored not stored refs pending

Finding Similar Objects and Active Inference for Surprise in Numenta Neocortex Model

Hajime Kawakami

arxiv:2506.21554 v1 · 2025-06-11 · 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{PYKQWI26JDJGPZN52Z6DJ62GU7}

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	2026-07-05T11:27:56.213076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e150b235e48d267e5bdd67c34fb46a7c7a75556cdd7a5c8e97876b1b3c2fd48

Aliases

arxiv: 2506.21554 · arxiv_version: 2506.21554v1 · doi: 10.48550/arxiv.2506.21554 · pith_short_12: PYKQWI26JDJG · pith_short_16: PYKQWI26JDJGPZN5 · pith_short_8: PYKQWI26

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/PYKQWI26JDJGPZN52Z6DJ62GU7 \
  | 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: 7e150b235e48d267e5bdd67c34fb46a7c7a75556cdd7a5c8e97876b1b3c2fd48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edfe3e64ed75c5aca8b24368f0e688ebc5ea12c80ef1f1b313c212838193987f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2025-06-11T05:45:18Z",
    "title_canon_sha256": "68a116aa015d390e3fead4790b5e98339fa574609cd1408fd16db0bf2bad1689"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21554",
    "kind": "arxiv",
    "version": 1
  }
}