Pith Number

pith:PIQUSN3L

pith:2026:PIQUSN3L4LNJRGFM3NRQNARXPQ

not attested not anchored not stored refs pending

When Shared Knowledge Hurts: Spectral Over-Accumulation in Model Merging

Jian Zhang, Jintao Guo, Yayuan Li, Yinghuan Shi, Yue Duan, Ze Peng

arxiv:2602.05536 v2 · 2026-02-05 · cs.LG · cs.AI · cs.CL · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PIQUSN3L4LNJRGFM3NRQNARXPQ}

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

Are Tools Always Beneficial? Learning to Invoke Tools Adaptively for Dual-Mode Multimodal LLM Reasoning

Receipt and verification

First computed	2026-05-22T01:04:54.855532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a2149376be2da9898acdb630682377c1ad71d31efc600aabcdfd76aa47967e7

Aliases

arxiv: 2602.05536 · arxiv_version: 2602.05536v2 · doi: 10.48550/arxiv.2602.05536 · pith_short_12: PIQUSN3L4LNJ · pith_short_16: PIQUSN3L4LNJRGFM · pith_short_8: PIQUSN3L

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/PIQUSN3L4LNJRGFM3NRQNARXPQ \
  | 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: 7a2149376be2da9898acdb630682377c1ad71d31efc600aabcdfd76aa47967e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14e987228ee238ecafbf4e8d12941f89fc7a3de7aa13feb76cabd65165a35ae5",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-05T10:52:36Z",
    "title_canon_sha256": "ca70526108cce7b1bbfa74085a5f6d867ee456839d9313bead76c34d809e7716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.05536",
    "kind": "arxiv",
    "version": 2
  }
}