Pith Number

pith:XZMN76TQ

pith:2026:XZMN76TQOO2UNVIMLR2P3RGZG5

not attested not anchored not stored refs pending

ColBERTSaR: Sparsified ColBERT Index via Product Quantization

Andrew Yates, Dawn Lawrie, Eugene Yang, James Mayfield, Rohan Jha, Saron Samuel

arxiv:2606.05568 v1 · 2026-06-04 · cs.IR · 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{XZMN76TQOO2UNVIMLR2P3RGZG5}

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	2026-06-05T01:14:55.140453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be58dffa7073b546d50c5c74fdc4d937550a74081810d38d8be689ea4cd283f7

Aliases

arxiv: 2606.05568 · arxiv_version: 2606.05568v1 · doi: 10.48550/arxiv.2606.05568 · pith_short_12: XZMN76TQOO2U · pith_short_16: XZMN76TQOO2UNVIM · pith_short_8: XZMN76TQ

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/XZMN76TQOO2UNVIMLR2P3RGZG5 \
  | 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: be58dffa7073b546d50c5c74fdc4d937550a74081810d38d8be689ea4cd283f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f7e4f42fd726ff393b7989b72ad39d248a5501a4f31474a480aa61377f6c1b7",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-04T01:28:45Z",
    "title_canon_sha256": "3154cb489dffd91a0ee05aff36c23811fa2d8d3f5338ecf60318a9822f2f6045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05568",
    "kind": "arxiv",
    "version": 1
  }
}