Pith Number

pith:NY4UR7EX

pith:2025:NY4UR7EX7ULPC6AX6WDQZHVAJN

not attested not anchored not stored refs pending

Unsupervised deep learning model for fast energy layer pre-selection of delivery-efficient proton arc therapy plan optimization of nasopharyngeal carcinoma

Anke Tang, Bohan Yang, Gang Liu, Jingnan Liu, Ke Shi, Qi Kong, Rirao Dao, Yang Zhong, Yong Luo, Yujia Qian

arxiv:2506.15803 v2 · 2025-06-18 · physics.med-ph · 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{NY4UR7EX7ULPC6AX6WDQZHVAJN}

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	2026-07-05T11:49:55.827800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e3948fc97fd16f17817f5870c9ea04b5f6f7c5ec2fd06a001b4a8b99c8cbb3d

Aliases

arxiv: 2506.15803 · arxiv_version: 2506.15803v2 · doi: 10.48550/arxiv.2506.15803 · pith_short_12: NY4UR7EX7ULP · pith_short_16: NY4UR7EX7ULPC6AX · pith_short_8: NY4UR7EX

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/NY4UR7EX7ULPC6AX6WDQZHVAJN \
  | 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: 6e3948fc97fd16f17817f5870c9ea04b5f6f7c5ec2fd06a001b4a8b99c8cbb3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f628aa5e7c6b679a031c3f542df0993860d78a86731bd7574526fc6f8fbcbd19",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-06-18T18:40:10Z",
    "title_canon_sha256": "118aeb0fc232d97f08fd3ebd703816341a3031aafc5c51899c03a460e7a52d8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.15803",
    "kind": "arxiv",
    "version": 2
  }
}