Pith Number

pith:RC4TR6DW

pith:2025:RC4TR6DWPTHCCTALF7SSER5WY7

not attested not anchored not stored refs pending

Reliable Unlearning Harmful Information in LLMs with Metamorphosis Representation Projection

Chengcan Wu, Huanran Chen, Meng Sun, Yinpeng Dong, Zeming Wei

arxiv:2508.15449 v1 · 2025-08-21 · cs.LG · 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{RC4TR6DWPTHCCTALF7SSER5WY7}

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	2026-07-05T11:57:12.447219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88b938f8767cce214c0b2fe52247b6c7f00b443cee5326df74daa3ff6346b2cf

Aliases

arxiv: 2508.15449 · arxiv_version: 2508.15449v1 · doi: 10.48550/arxiv.2508.15449 · pith_short_12: RC4TR6DWPTHC · pith_short_16: RC4TR6DWPTHCCTAL · pith_short_8: RC4TR6DW

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/RC4TR6DWPTHCCTALF7SSER5WY7 \
  | 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: 88b938f8767cce214c0b2fe52247b6c7f00b443cee5326df74daa3ff6346b2cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6e9be7dcc7c06ef939ee1a3ba07a7ef59d70113c67adf7ee76efc3e2987e158",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-21T11:12:09Z",
    "title_canon_sha256": "4eebd9ff5dffb21eae4527664cc238d26aa56ffb1064205af7224939876be3ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15449",
    "kind": "arxiv",
    "version": 1
  }
}