Pith Number

pith:QFJVPOIJ

pith:2026:QFJVPOIJMUDXI3GRNSQSCKQPWE

not attested not anchored not stored refs pending

Contrastive On-Policy Distillation

Dayiheng Liu, Jiacheng Ruan, Jun Tang, Shuai Bai, Ting Liu, Wenzhen Yuan, Yuzhuo Fu, Zhibo Yang

arxiv:2607.19046 v1 · 2026-07-21 · 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{QFJVPOIJMUDXI3GRNSQSCKQPWE}

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	2026-07-22T01:24:05.833366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

815357b9096507746cd16ca1212a0fb13adb9939e4e220b7d9a380a4a329245d

Aliases

arxiv: 2607.19046 · arxiv_version: 2607.19046v1 · doi: 10.48550/arxiv.2607.19046 · pith_short_12: QFJVPOIJMUDX · pith_short_16: QFJVPOIJMUDXI3GR · pith_short_8: QFJVPOIJ

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/QFJVPOIJMUDXI3GRNSQSCKQPWE \
  | 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: 815357b9096507746cd16ca1212a0fb13adb9939e4e220b7d9a380a4a329245d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8696b50cfb2e0cf41bdb2fcfe6dcd812c74dd32718f083ebeddc7b6517e50bf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-21T12:35:04Z",
    "title_canon_sha256": "a36ff9101e17ef292699219aad90909ce562902612f27ad64404ea19124ea7ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19046",
    "kind": "arxiv",
    "version": 1
  }
}