Pith Number

pith:ZSBC4RXO

pith:2026:ZSBC4RXOV6LFCNPBKVJA2VRMOC

not attested not anchored not stored refs pending

MCompassRAG: Topic Metadata as a Semantic Compass for Paragraph-Level Retrieval

Amirhossein Abaskohi, Gaetano Cimino, Giuseppe Carenini, Issam H. Laradji, Peter West, Raymond Li

arxiv:2606.18508 v1 · 2026-06-16 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSBC4RXOV6LFCNPBKVJA2VRMOC}

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	2026-06-19T16:11:39.109645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc822e46eeaf965135e155520d562c70910b523c5ea6a3d3425dd277d018b682

Aliases

arxiv: 2606.18508 · arxiv_version: 2606.18508v1 · doi: 10.48550/arxiv.2606.18508 · pith_short_12: ZSBC4RXOV6LF · pith_short_16: ZSBC4RXOV6LFCNPB · pith_short_8: ZSBC4RXO

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/ZSBC4RXOV6LFCNPBKVJA2VRMOC \
  | 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: cc822e46eeaf965135e155520d562c70910b523c5ea6a3d3425dd277d018b682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25f53ed5fb35b2b0321e603d0330cbff673961361434fcd86ab83ab8caf345d1",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-16T21:50:01Z",
    "title_canon_sha256": "887feafe9a7b3e4f9b275cbf8de5343f7f258abc8f4ae34c55c96bd6879c41dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18508",
    "kind": "arxiv",
    "version": 1
  }
}