Pith Number

pith:YX4JGPDD

pith:2026:YX4JGPDDGLO2SOGGBPREXGOOMA

not attested not anchored not stored refs pending

Hair-Trigger Alignment: Black-Box Evaluation Cannot Guarantee Post-Update Alignment

Duygu Nur Yaldiz, Eleni Triantafillou, Peter Kairouz, Sai Praneeth Karimireddy, Salman Avestimehr, Yavuz Bakman

arxiv:2601.22313 v2 · 2026-01-29 · 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{YX4JGPDDGLO2SOGGBPREXGOOMA}

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.

Cited by

1 paper in Pith

Two to Tango: Coupled Task-Reference Selection for Safe LLM Fine-tuning

Receipt and verification

First computed	2026-07-13T00:17:07.237041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5f8933c6332dda938c60be24b99ce601d5a88ac26abcbcb3174237895389916

Aliases

arxiv: 2601.22313 · arxiv_version: 2601.22313v2 · doi: 10.48550/arxiv.2601.22313 · pith_short_12: YX4JGPDDGLO2 · pith_short_16: YX4JGPDDGLO2SOGG · pith_short_8: YX4JGPDD

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/YX4JGPDDGLO2SOGGBPREXGOOMA \
  | 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: c5f8933c6332dda938c60be24b99ce601d5a88ac26abcbcb3174237895389916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3931e70d4ab8899465aff75dda7b99ebe8aef3e0e18975467f42024a0c436e67",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-29T20:54:21Z",
    "title_canon_sha256": "4a87ef4cf56d333b96e8c66fac6b2ea5f0e424d084d394fb9fe22d6f0ab08996"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.22313",
    "kind": "arxiv",
    "version": 2
  }
}