Pith Number

pith:HFTB57IU

pith:2026:HFTB57IU7BSOLFTMD3KIMADQE5

not attested not anchored not stored refs pending

Understanding Wacky Weights: A Dissection of SPLADE's Learned Term Importance

Carsten Eickhoff, Gregory Polyakov, Harrisen Scells

arxiv:2605.19628 v1 · 2026-05-19 · 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{HFTB57IU7BSOLFTMD3KIMADQE5}

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	2026-05-20T01:05:54.868557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39661efd14f864e5966c1ed4860070276c7465f516b11a1784d54a26d71a65dc

Aliases

arxiv: 2605.19628 · arxiv_version: 2605.19628v1 · doi: 10.48550/arxiv.2605.19628 · pith_short_12: HFTB57IU7BSO · pith_short_16: HFTB57IU7BSOLFTM · pith_short_8: HFTB57IU

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/HFTB57IU7BSOLFTMD3KIMADQE5 \
  | 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: 39661efd14f864e5966c1ed4860070276c7465f516b11a1784d54a26d71a65dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d77f3f1304233e8b6a665110a30dbd98563772669e3dead352b5ef2cb13954e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-05-19T10:07:13Z",
    "title_canon_sha256": "5b41a37030266157cfab7ccb6a077609d24d81c16ae790db105b0be1f759f845"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19628",
    "kind": "arxiv",
    "version": 1
  }
}