Pith Number

pith:7SFZPTLF

pith:2026:7SFZPTLFZDVY4NVBUGZSLTPHAY

not attested not anchored not stored refs pending

Asymmetric Collapse in Model Merging: When Refusal Over- writes Recognition

Aarnav Choudhary, Jiwon Seo, Maheep Chaudhary, Matheus Fonseca Rocha, Vasu Sharma

arxiv:2607.27240 v1 · 2026-07-26 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SFZPTLFZDVY4NVBUGZSLTPHAY}

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	2026-07-31T00:10:23.753213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

fc8b97cd65c8eb8e36a1a1b325cde7061f20029932b41787cfcd40b392ffc9de

Aliases

arxiv: 2607.27240 · arxiv_version: 2607.27240v1 · doi: 10.48550/arxiv.2607.27240 · pith_short_12: 7SFZPTLFZDVY · pith_short_16: 7SFZPTLFZDVY4NVB · pith_short_8: 7SFZPTLF

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/7SFZPTLFZDVY4NVBUGZSLTPHAY \
  | 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: fc8b97cd65c8eb8e36a1a1b325cde7061f20029932b41787cfcd40b392ffc9de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ffd69b9bdd13fc2eaf1054bcca57875f5865d2df6dcb9e9a0ede5e178a3b78b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-26T19:10:34Z",
    "title_canon_sha256": "70742c8f4be033a38615071c5c917f881841f4ac7db01ed04c1be6ebd5d30800"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27240",
    "kind": "arxiv",
    "version": 1
  }
}