Pith Number

pith:5MHPXXI3

pith:2026:5MHPXXI3CKHWZ5MLRGBV7DR5KJ

not attested not anchored not stored refs pending

Compress the Context, Keep the Commitments: A Formal Framework for Verifiable LLM Context Compression

Natalia Trukhina, Vadim Vashkelis

arxiv:2605.17304 v1 · 2026-05-17 · cs.LG · 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{5MHPXXI3CKHWZ5MLRGBV7DR5KJ}

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	2026-05-20T00:03:51.221483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb0efbdd1b128f6cf58b89835f8e3d5265eb6b3a20697f66748efe5019877f44

Aliases

arxiv: 2605.17304 · arxiv_version: 2605.17304v1 · doi: 10.48550/arxiv.2605.17304 · pith_short_12: 5MHPXXI3CKHW · pith_short_16: 5MHPXXI3CKHWZ5ML · pith_short_8: 5MHPXXI3

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/5MHPXXI3CKHWZ5MLRGBV7DR5KJ \
  | 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: eb0efbdd1b128f6cf58b89835f8e3d5265eb6b3a20697f66748efe5019877f44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6348f09e5fd553cc470c06b61fb79086f12e87721a3c562f9a63411becd22229",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-17T07:42:37Z",
    "title_canon_sha256": "bf069773860ef7d5d24d7399713485df25885b03cbddbf00913c093ad6d2071a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17304",
    "kind": "arxiv",
    "version": 1
  }
}