Pith Number

pith:CKOXTH7E

pith:2026:CKOXTH7E6CPBCG6P3ROCPFUNH6

not attested not anchored not stored refs pending

Testing Retrieval-Augmented Generation Systems with Chunk Coverage

Jinhan Kim, Paolo Tonella, Samuele Pasini

arxiv:2607.18155 v1 · 2026-07-20 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKOXTH7E6CPBCG6P3ROCPFUNH6}

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	2026-07-21T02:22:19.476437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

129d799fe4f09e111bcfdc5c27968d3f8f81ea2bc0d9f4216951e10b22a82806

Aliases

arxiv: 2607.18155 · arxiv_version: 2607.18155v1 · doi: 10.48550/arxiv.2607.18155 · pith_short_12: CKOXTH7E6CPB · pith_short_16: CKOXTH7E6CPBCG6P · pith_short_8: CKOXTH7E

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/CKOXTH7E6CPBCG6P3ROCPFUNH6 \
  | 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: 129d799fe4f09e111bcfdc5c27968d3f8f81ea2bc0d9f4216951e10b22a82806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "236290e26042ce77236fce9786ef9c584d8b39ada64608e9fada934369471e1a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-20T16:53:05Z",
    "title_canon_sha256": "b9cf2b957a59d3f97c36c5665bce986f55843d98d8216c78716bb6acdb9de8c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18155",
    "kind": "arxiv",
    "version": 1
  }
}