Pith Number

pith:JNQD52AF

pith:2026:JNQD52AF32DGSTXZ5AH6WKPD3Q

not attested not anchored not stored refs pending

Do Models Read What They Write? Causal Registers in Scratchpad Reasoning

Benjamin Shih, Eric Darve, John Winnicki

arxiv:2606.29522 v1 · 2026-06-28 · cs.LG · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNQD52AF32DGSTXZ5AH6WKPD3Q}

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	2026-06-30T01:18:10.145001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b603ee805de86694ef9e80feb29e3dc3c5e5fb17998f8cc23cf6f668028599f

Aliases

arxiv: 2606.29522 · arxiv_version: 2606.29522v1 · doi: 10.48550/arxiv.2606.29522 · pith_short_12: JNQD52AF32DG · pith_short_16: JNQD52AF32DGSTXZ · pith_short_8: JNQD52AF

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/JNQD52AF32DGSTXZ5AH6WKPD3Q \
  | 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: 4b603ee805de86694ef9e80feb29e3dc3c5e5fb17998f8cc23cf6f668028599f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6f3ccfa2dd3fc485eaf88b16787c773fba3940c5b24614733039e0db27ebe6b",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-28T17:32:59Z",
    "title_canon_sha256": "69dbc8a42f4a787f5e9f4fe48bcadffe6dd7f64695525fb58f700814c3384342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29522",
    "kind": "arxiv",
    "version": 1
  }
}