Pith Number

pith:R7T733UK

pith:2025:R7T733UK65Z44WA5GI2HTIF4N3

not attested not anchored not stored refs pending

MOTIF: Modular Thinking via Reinforcement Fine-tuning in LLMs

Purbesh Mitra, Sennur Ulukus

arxiv:2507.02851 v1 · 2025-07-03 · cs.CL · cs.AI · cs.IT · cs.LG · cs.SY · eess.SY · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7T733UK65Z44WA5GI2HTIF4N3}

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	2026-07-05T11:31:35.317297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe7fdee8af773ce581d323479a0bc6ef0f1418ae5bd93ed576195c556dee4cc

Aliases

arxiv: 2507.02851 · arxiv_version: 2507.02851v1 · doi: 10.48550/arxiv.2507.02851 · pith_short_12: R7T733UK65Z4 · pith_short_16: R7T733UK65Z44WA5 · pith_short_8: R7T733UK

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/R7T733UK65Z44WA5GI2HTIF4N3 \
  | 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: 8fe7fdee8af773ce581d323479a0bc6ef0f1418ae5bd93ed576195c556dee4cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87c98ebb7c2e6147a0acba3ae3e58dc4abb941d95f5dcf3a7a2f7af200e3b86c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IT",
      "cs.LG",
      "cs.SY",
      "eess.SY",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-03T17:55:43Z",
    "title_canon_sha256": "96cdf108bf797d797f98d4e88bcb1918a432957f9fde38b3a5068717c4cb3e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02851",
    "kind": "arxiv",
    "version": 1
  }
}