Pith Number

pith:T77B2G6R

pith:2026:T77B2G6R5UK3E5LPBRHC2IPCV4

not attested not anchored not stored refs pending

Demystifying Entropy-based Selection for Chain-of-Thought Compression in Large Reasoning Models

Daniel Scalena, Elisabetta Fersini, Gabriele Sarti, Luca Bortolussi, Malvina Nissim, Sara Candussio

arxiv:2607.28707 v1 · 2026-07-30 · 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{T77B2G6R5UK3E5LPBRHC2IPCV4}

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	2026-08-03T00:12:13.859985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ffe1d1bd1ed15b2756f0c4e2d21e2af37d16e38396dd8a24ebe9cb801feae98

Aliases

arxiv: 2607.28707 · arxiv_version: 2607.28707v1 · doi: 10.48550/arxiv.2607.28707 · pith_short_12: T77B2G6R5UK3 · pith_short_16: T77B2G6R5UK3E5LP · pith_short_8: T77B2G6R

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/T77B2G6R5UK3E5LPBRHC2IPCV4 \
  | 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: 9ffe1d1bd1ed15b2756f0c4e2d21e2af37d16e38396dd8a24ebe9cb801feae98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b633ccedea7b11c823aae4d8e6180a55070cf2596b39011c82c6d8f6295156b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-30T15:59:51Z",
    "title_canon_sha256": "024c140cdf7e71c92617329d7b7ef368ee949ff08d683a12b43edfb390826884"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28707",
    "kind": "arxiv",
    "version": 1
  }
}