Pith Number

pith:7BD7GSBC

pith:2025:7BD7GSBCPA3MJ7CR73KSI2OVRU

not attested not anchored not stored refs pending

Distribution-Aware Feature Selection for SAEs

Alice Rigg, Amirali Abdullah, Michael Lan, Narmeen Oozeer, Nirmalendu Prakash

arxiv:2508.21324 v1 · 2025-08-29 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7BD7GSBCPA3MJ7CR73KSI2OVRU}

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	2026-07-05T12:01:32.690143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f847f348227836c4fc51fed52469d58d3a3d7c532e000bbf78a0f8dfd5101ed1

Aliases

arxiv: 2508.21324 · arxiv_version: 2508.21324v1 · doi: 10.48550/arxiv.2508.21324 · pith_short_12: 7BD7GSBCPA3M · pith_short_16: 7BD7GSBCPA3MJ7CR · pith_short_8: 7BD7GSBC

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/7BD7GSBCPA3MJ7CR73KSI2OVRU \
  | 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: f847f348227836c4fc51fed52469d58d3a3d7c532e000bbf78a0f8dfd5101ed1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b20cf70f00b2786e571fb553520f2c6bead210300d35d3be4421ecdd906fe5a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-29T04:42:17Z",
    "title_canon_sha256": "cf2b82d33661ea6d1220d7ab7b117ca16a63c45fa92b006d223c5a2397e9d6c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.21324",
    "kind": "arxiv",
    "version": 1
  }
}