Pith Number

pith:EHDYZX3L

pith:2026:EHDYZX3L2IJWOCDP4MNSVRXDHC

not attested not anchored not stored refs pending

Rescaling MLM-Head for Neural Sparse Retrieval

Heuiseok Lim, Jonah Turner, Seongtae Hong, Youngjoon Jang

arxiv:2606.18811 v1 · 2026-06-17 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHDYZX3L2IJWOCDP4MNSVRXDHC}

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	2026-06-19T16:11:48.199709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c78cdf6bd21367086fe31b2ac6e338b14b278af32b8a05d52f7e84ca3b6723

Aliases

arxiv: 2606.18811 · arxiv_version: 2606.18811v1 · doi: 10.48550/arxiv.2606.18811 · pith_short_12: EHDYZX3L2IJW · pith_short_16: EHDYZX3L2IJWOCDP · pith_short_8: EHDYZX3L

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/EHDYZX3L2IJWOCDP4MNSVRXDHC \
  | 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: 21c78cdf6bd21367086fe31b2ac6e338b14b278af32b8a05d52f7e84ca3b6723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4fe71f307edaa92b1b739d08d3e7c2d48146803ed3198cb992a75fd16280ce4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-17T08:27:21Z",
    "title_canon_sha256": "c50cd483bc5e18983571828c1d41ad45b6b15cc466ac01121ff4c6122c2a5711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18811",
    "kind": "arxiv",
    "version": 1
  }
}