Pith Number

pith:LP2MQEYN

pith:2026:LP2MQEYNGEGACGEBS3TYWG5UY2

not attested not anchored not stored refs pending

H$^2$SD: Hybrid Hindsight Self-Distillation

Bing Qin, Linyang Li, Peiji Li, Qipeng Guo, Qiye Cai, Tao Gui, Xiaocheng Feng, Yicheng Zou, Yichuan Ma, Yongkang Chen

arxiv:2607.18955 v1 · 2026-07-21 · cs.LG · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LP2MQEYNGEGACGEBS3TYWG5UY2}

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	2026-07-22T01:23:21.660940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bf4c8130d310c01188196e78b1bb4c6b10b381b1bbfda3a90c3f6eec64b6d24

Aliases

arxiv: 2607.18955 · arxiv_version: 2607.18955v1 · doi: 10.48550/arxiv.2607.18955 · pith_short_12: LP2MQEYNGEGA · pith_short_16: LP2MQEYNGEGACGEB · pith_short_8: LP2MQEYN

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/LP2MQEYNGEGACGEBS3TYWG5UY2 \
  | 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: 5bf4c8130d310c01188196e78b1bb4c6b10b381b1bbfda3a90c3f6eec64b6d24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72f2949291cfa6899cc70238d10f9e68d0ea5a5f2126bd07017398f5bcdf46c7",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-21T10:47:27Z",
    "title_canon_sha256": "0cbaedbc4229e95ae9ae59d72b344963c09f9aeaf0e4f47656547dea7524f285"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18955",
    "kind": "arxiv",
    "version": 1
  }
}