Pith Number

pith:GDHPY2XM

pith:2026:GDHPY2XMV7Y5KHJ2JNVLYWVFPD

not attested not anchored not stored refs pending

Subtraction Gets You More: Gap-Aware Retrieval for Multimodal Multi-Hop QA

Jay-Yoon Lee, Sunah O

arxiv:2605.28641 v1 · 2026-05-27 · 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{GDHPY2XMV7Y5KHJ2JNVLYWVFPD}

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	2026-05-28T02:04:58.640393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30cefc6aecaff1d51d3a4b6abc5aa578c4c964af7dc431f0fbe9e6ed004c9871

Aliases

arxiv: 2605.28641 · arxiv_version: 2605.28641v1 · doi: 10.48550/arxiv.2605.28641 · pith_short_12: GDHPY2XMV7Y5 · pith_short_16: GDHPY2XMV7Y5KHJ2 · pith_short_8: GDHPY2XM

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/GDHPY2XMV7Y5KHJ2JNVLYWVFPD \
  | 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: 30cefc6aecaff1d51d3a4b6abc5aa578c4c964af7dc431f0fbe9e6ed004c9871

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c9be5535298db06843efd29658a07a4e38ce664a24c6c0badf5930451fe36c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-05-27T15:46:21Z",
    "title_canon_sha256": "6fa785f3e5771d99c4c1c9814b56c6536cbe0de547a8c2df2cffb4d870fe9a74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28641",
    "kind": "arxiv",
    "version": 1
  }
}