Pith Number

pith:ON5CM22Z

pith:2026:ON5CM22ZEQCAYCTS3T4P2EQ6Y7

not attested not anchored not stored refs pending

Introspection Fine-Tuning (IFT): Training Small LLMs to Introspect

Ely Hahami, Ishaan Sinha, Lavik Jain

arxiv:2607.14111 v1 · 2026-05-08 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ON5CM22ZEQCAYCTS3T4P2EQ6Y7}

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	2026-07-17T00:20:52.532925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

737a266b5924040c0a72dcf8fd121ec7d7ba0ec3b90be8a9882d941ce25bca30

Aliases

arxiv: 2607.14111 · arxiv_version: 2607.14111v1 · doi: 10.48550/arxiv.2607.14111 · pith_short_12: ON5CM22ZEQCA · pith_short_16: ON5CM22ZEQCAYCTS · pith_short_8: ON5CM22Z

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/ON5CM22ZEQCAYCTS3T4P2EQ6Y7 \
  | 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: 737a266b5924040c0a72dcf8fd121ec7d7ba0ec3b90be8a9882d941ce25bca30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29acafd3109c852f485a56586599115dba013610c38f2c538e708e282c26eae4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-08T05:30:26Z",
    "title_canon_sha256": "29c640560aefc347786cffb16a9b7a074f1a28b8275ac4132c3046cfc21b126c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14111",
    "kind": "arxiv",
    "version": 1
  }
}