Pith Number

pith:G2HQKYFG

pith:2026:G2HQKYFGFVWCUAAJ6VFIDLS4K3

not attested not anchored not stored refs pending

The Attribution Impossibility: No Feature Ranking Is Faithful, Stable, and Complete Under Collinearity

Bryan Arnold, David Rhoads, Drake Caraker

arxiv:2605.21492 v1 · 2026-04-08 · cs.LG · cs.AI · cs.LO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G2HQKYFGFVWCUAAJ6VFIDLS4K3}

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	2026-05-22T00:02:26.835084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

368f0560a62d6c2a0009f54a81ae5c56fcde58e50e753d36499a60a91fff0e7b

Aliases

arxiv: 2605.21492 · arxiv_version: 2605.21492v1 · doi: 10.48550/arxiv.2605.21492 · pith_short_12: G2HQKYFGFVWC · pith_short_16: G2HQKYFGFVWCUAAJ · pith_short_8: G2HQKYFG

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/G2HQKYFGFVWCUAAJ6VFIDLS4K3 \
  | 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: 368f0560a62d6c2a0009f54a81ae5c56fcde58e50e753d36499a60a91fff0e7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cf04a8669b473d02c9d0a109ab8623e31cc42f954a2c6a760fe5e5042d96e7a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LO",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-04-08T10:11:45Z",
    "title_canon_sha256": "02a8ad1425c57b9b34ef029ced8dc077b6f6c4704183de14705b21a71db19b10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21492",
    "kind": "arxiv",
    "version": 1
  }
}