Pith Number

pith:XRQACSID

pith:2026:XRQACSIDCF5EX4YKLFIRJDDIGI

not attested not anchored not stored refs pending

To MRL or not to MRL: Text Embeddings are Robust to Truncation Without Matryoshka Embeddings, Except In Heavy Truncation Scenarios

Daniel Ruffinelli, Simone Paolo Ponzetto, Sotaro Takeshita, Yurina Takeshita

arxiv:2605.16608 v1 · 2026-05-15 · 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{XRQACSIDCF5EX4YKLFIRJDDIGI}

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	2026-05-20T00:02:32.278539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc60014903117a4bf30a5951148c683239c9056263afe73edbe2c1e9e4376cf9

Aliases

arxiv: 2605.16608 · arxiv_version: 2605.16608v1 · doi: 10.48550/arxiv.2605.16608 · pith_short_12: XRQACSIDCF5E · pith_short_16: XRQACSIDCF5EX4YK · pith_short_8: XRQACSID

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/XRQACSIDCF5EX4YKLFIRJDDIGI \
  | 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: bc60014903117a4bf30a5951148c683239c9056263afe73edbe2c1e9e4376cf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "470c0c1e38bc9aa0c28c3be64a3d2ea51a6b022a2e6ab04a56a41a8ff42d626b",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-15T20:17:34Z",
    "title_canon_sha256": "e05b263cd6a098d69c689be231fd365beee6dbb73692541a56ab2a67714693c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16608",
    "kind": "arxiv",
    "version": 1
  }
}