Pith Number

pith:NARYILG2

pith:2010:NARYILG2QOTSBE4AU6JDABE3P2

not attested not anchored not stored refs pending

GPU-based ultra-fast direct aperture optimization for online adaptive radiation therapy

Chunhua Men, Steve. B. Jiang, Xun Jia

arxiv:1003.5402 v1 · 2010-03-28 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NARYILG2QOTSBE4AU6JDABE3P2}

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	2026-05-18T02:08:16.394962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6823842cda83a7209380a79230049b7e8587d45807c7b805508d884b133bd3d6

Aliases

arxiv: 1003.5402 · arxiv_version: 1003.5402v1 · doi: 10.48550/arxiv.1003.5402 · pith_short_12: NARYILG2QOTS · pith_short_16: NARYILG2QOTSBE4A · pith_short_8: NARYILG2

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/NARYILG2QOTSBE4AU6JDABE3P2 \
  | 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: 6823842cda83a7209380a79230049b7e8587d45807c7b805508d884b133bd3d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ab421c05cb0f25c97a3d25afe2625b96e0c983b11d01278ab2da6ad65e6940b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2010-03-28T23:07:50Z",
    "title_canon_sha256": "63bee37a4284bf3fa6362160a34446ad72485c02c7c2c4ca0cbb51c0bafd0f02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.5402",
    "kind": "arxiv",
    "version": 1
  }
}