Pith Number

pith:QRM53F7X

pith:2026:QRM53F7XVLJH53AQOIJ2YYBW6J

not attested not anchored not stored refs pending

Self-Supervised Skill Optimization

Anyang Su, Chenxu Zhao, Cuiyu Yang, Haoyuan Zhang, Huiying Li, Minghui Wu, Siran Peng, Tianshuo Zhang, Tianyu Fu, Weisong Zhao, Xiangyu Zhu, Zhen Lei

arxiv:2607.28777 v1 · 2026-07-30 · 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{QRM53F7XVLJH53AQOIJ2YYBW6J}

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	2026-08-03T00:12:51.595093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8459dd97f7aad27eec107213ac6036f27719ffe799030203b16ee7fa5f311d4e

Aliases

arxiv: 2607.28777 · arxiv_version: 2607.28777v1 · doi: 10.48550/arxiv.2607.28777 · pith_short_12: QRM53F7XVLJH · pith_short_16: QRM53F7XVLJH53AQ · pith_short_8: QRM53F7X

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/QRM53F7XVLJH53AQOIJ2YYBW6J \
  | 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: 8459dd97f7aad27eec107213ac6036f27719ffe799030203b16ee7fa5f311d4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5815a9599e3260ec3c04baf1b236e391ba9f4d0d4eb40f19b949eae9343ddb25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-30T19:04:34Z",
    "title_canon_sha256": "9ed4c694f16a0505476dcc22d73b57f9b978c3a3934757b3a108d8345149e876"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28777",
    "kind": "arxiv",
    "version": 1
  }
}