Pith Number

pith:5RYIS7D4

pith:2026:5RYIS7D4H7APRXJLEQ6RZPT4TC

not attested not anchored not stored refs pending

Chain Of Thought Compression: A Theoretical Analysis

Boxiang Ma, Jeff Z. Pan, Juncai Li, Ru Li, Yuxiang Zhou

arxiv:2601.21576 v2 · 2026-01-29 · 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{5RYIS7D4H7APRXJLEQ6RZPT4TC}

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	2026-05-27T01:04:55.460624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec70897c7c3fc0f8dd2b243d1cbe7c9885097fac56de27be01576b8cd633e243

Aliases

arxiv: 2601.21576 · arxiv_version: 2601.21576v2 · doi: 10.48550/arxiv.2601.21576 · pith_short_12: 5RYIS7D4H7AP · pith_short_16: 5RYIS7D4H7APRXJL · pith_short_8: 5RYIS7D4

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/5RYIS7D4H7APRXJLEQ6RZPT4TC \
  | 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: ec70897c7c3fc0f8dd2b243d1cbe7c9885097fac56de27be01576b8cd633e243

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "827e39a536dab26c86380e7d0c367544ba321335b5104340471aa6ac3b5001f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-01-29T11:42:03Z",
    "title_canon_sha256": "b15ca73eebd6322b997f81b11ab713dae77fd69e35efd478856fe74f7b69abe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.21576",
    "kind": "arxiv",
    "version": 2
  }
}