Pith Number

pith:WQEWQ7PH

pith:2025:WQEWQ7PHPLYTQRAX5MTKSIG4LQ

not attested not anchored not stored refs pending

The SuperActivator Mechanism: Transformers Concentrate Reliable Concept Signals in the Tail

Adam Stein, Cassandra Goldberg, Chaehyeon Kim, Eric Wong

arxiv:2512.05038 v2 · 2025-12-04 · 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{WQEWQ7PHPLYTQRAX5MTKSIG4LQ}

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	2026-06-01T02:03:31.026227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b409687de77af1384417eb26a920dc5c15ece9bca0eb23c1245598691aa5fa09

Aliases

arxiv: 2512.05038 · arxiv_version: 2512.05038v2 · doi: 10.48550/arxiv.2512.05038 · pith_short_12: WQEWQ7PHPLYT · pith_short_16: WQEWQ7PHPLYTQRAX · pith_short_8: WQEWQ7PH

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/WQEWQ7PHPLYTQRAX5MTKSIG4LQ \
  | 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: b409687de77af1384417eb26a920dc5c15ece9bca0eb23c1245598691aa5fa09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be428d3c2c40494e7906645bca21cad12d75e3fa2283c8f599994aeabd3be092",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-12-04T17:55:55Z",
    "title_canon_sha256": "20a4bdc7e1788ec53d62b1b8b0d54115b8c6e983b490f484ef928538bb592304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.05038",
    "kind": "arxiv",
    "version": 2
  }
}