Pith Number

pith:TQX4TL2G

pith:2026:TQX4TL2GWCWUQV46XPD7PVHPKA

not attested not anchored not stored refs pending

Self-Policy Distillation via Capability-Selective Subspace Projection

Guangya Hao, Hanxue Liang, Yitong Shang, Yunbo Long, Zhuokai Zhao

arxiv:2605.22675 v1 · 2026-05-21 · 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{TQX4TL2GWCWUQV46XPD7PVHPKA}

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	2026-05-22T02:04:49.637127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c2fc9af46b0ad48579ebbc7f7d4ef50139e4146d4337560bdd134e29575b3e8

Aliases

arxiv: 2605.22675 · arxiv_version: 2605.22675v1 · doi: 10.48550/arxiv.2605.22675 · pith_short_12: TQX4TL2GWCWU · pith_short_16: TQX4TL2GWCWUQV46 · pith_short_8: TQX4TL2G

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/TQX4TL2GWCWUQV46XPD7PVHPKA \
  | 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: 9c2fc9af46b0ad48579ebbc7f7d4ef50139e4146d4337560bdd134e29575b3e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9797d9e29424c1e3d742dab9bd80b4c61469f0e463886a0fdcf007c1b9120f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-21T16:18:41Z",
    "title_canon_sha256": "42f23c3ba0bfb4d0a2f42ce4f33a71d9636a667763d18a7fd418ab57ddb58958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22675",
    "kind": "arxiv",
    "version": 1
  }
}