Pith Number

pith:E7FGXQDO

pith:2026:E7FGXQDOUXBTLBM2XKKX2RM54J

not attested not anchored not stored refs pending

From Local Learning to Global Prediction Through Layered Surprise Cascades

Andrew L. Smith, Jason K. Eshraghian, Linxing Preston Jiang, Matthew S. Bull, Stefano Recanatesi

arxiv:2608.05481 v1 · 2026-08-06 · 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{E7FGXQDOUXBTLBM2XKKX2RM54J}

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	2026-08-07T00:47:57.006091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27ca6bc06ea5c335859aba957d459de24d179884bb42e200d8e98f1980b87448

Aliases

arxiv: 2608.05481 · arxiv_version: 2608.05481v1 · doi: 10.48550/arxiv.2608.05481 · pith_short_12: E7FGXQDOUXBT · pith_short_16: E7FGXQDOUXBTLBM2 · pith_short_8: E7FGXQDO

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/E7FGXQDOUXBTLBM2XKKX2RM54J \
  | 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: 27ca6bc06ea5c335859aba957d459de24d179884bb42e200d8e98f1980b87448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c2a7eda5e5c24f74f7f03b14bbf4d13975a0339d05a0ce54364bc7cb83b82e4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2026-08-06T00:06:10Z",
    "title_canon_sha256": "56b4cd87ad6acfa54d4787b356b683fe4d64da56a4f0ae935e7de9cfd900a137"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05481",
    "kind": "arxiv",
    "version": 1
  }
}