Pith Number

pith:NZ7I32T6

pith:2026:NZ7I32T6WQJTYSZC7HCIRN5H6W

not attested not anchored not stored refs pending

Boundary Suppression Asymmetry in Post-trained Assistants: Over-expansion as a Controllability Cost

Jiarui Han

arxiv:2605.27969 v1 · 2026-05-27 · 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{NZ7I32T6WQJTYSZC7HCIRN5H6W}

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	2026-05-28T01:04:54.854841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e7e8dea7eb4133c4b22f9c488b7a7f59eb9e4646fbd47cca5479eb6b3661078

Aliases

arxiv: 2605.27969 · arxiv_version: 2605.27969v1 · doi: 10.48550/arxiv.2605.27969 · pith_short_12: NZ7I32T6WQJT · pith_short_16: NZ7I32T6WQJTYSZC · pith_short_8: NZ7I32T6

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/NZ7I32T6WQJTYSZC7HCIRN5H6W \
  | 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: 6e7e8dea7eb4133c4b22f9c488b7a7f59eb9e4646fbd47cca5479eb6b3661078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d92e115566259d26335651aa1293af0952ad422af5f3a1e006dbdcad86601570",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-27T05:03:54Z",
    "title_canon_sha256": "76bcbe0779065ab3626419aaace0b180f59d61233343b6a36336a0f026e6f0aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27969",
    "kind": "arxiv",
    "version": 1
  }
}