Pith Number

pith:7R6KV5HZ

pith:2026:7R6KV5HZF5XNAOOCBAAT52DPTH

not attested not anchored not stored refs pending

Non-negative Elastic Net Decoding for Information Retrieval

Koki Okajima, Tsukasa Yoshida, Yasuaki Nakamura, Yasutoshi Ida

arxiv:2606.17910 v1 · 2026-06-16 · cs.IR · cs.AI · 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{7R6KV5HZF5XNAOOCBAAT52DPTH}

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	2026-06-19T16:10:43.386082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7caaf4f92f6ed039c208013ee86f99d966618a0498e55c6c577333ebf8dffb

Aliases

arxiv: 2606.17910 · arxiv_version: 2606.17910v1 · doi: 10.48550/arxiv.2606.17910 · pith_short_12: 7R6KV5HZF5XN · pith_short_16: 7R6KV5HZF5XNAOOC · pith_short_8: 7R6KV5HZ

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/7R6KV5HZF5XNAOOCBAAT52DPTH \
  | 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: fc7caaf4f92f6ed039c208013ee86f99d966618a0498e55c6c577333ebf8dffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "218fe8597f398a6a36e50a10ae0c61825c070380c1a696c13d419c182a02bf86",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-16T13:32:54Z",
    "title_canon_sha256": "54340070edb3eecd36d7b9a0e8b9863a3eafcd7214258737e7107c77557eb9c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17910",
    "kind": "arxiv",
    "version": 1
  }
}