Pith Number

pith:K3KYKOEF

pith:2025:K3KYKOEF3S3RHNGPEGZWK72KL3

not attested not anchored not stored refs pending

Subpixel correction of diffraction pattern shifts in ptychography via automatic differentiation

Changjun Ke, Hao Xu, Jie Li, Jin Niu, Jiyue Tang, Lei Huang, Qingxin Wang, Yanqi Chen, Yishi Shi, Yongjun Ma, Yutong Wang, Zhengkang Xu, Zhongwei Fan

arxiv:2507.03640 v1 · 2025-07-04 · physics.optics · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3KYKOEF3S3RHNGPEGZWK72KL3}

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	2026-07-05T11:32:02.994644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56d5853885dcb713b4cf21b3657f4a5ec8d39ae450175bc4b03504739b20159f

Aliases

arxiv: 2507.03640 · arxiv_version: 2507.03640v1 · doi: 10.48550/arxiv.2507.03640 · pith_short_12: K3KYKOEF3S3R · pith_short_16: K3KYKOEF3S3RHNGP · pith_short_8: K3KYKOEF

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/K3KYKOEF3S3RHNGPEGZWK72KL3 \
  | 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: 56d5853885dcb713b4cf21b3657f4a5ec8d39ae450175bc4b03504739b20159f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1389a27752206d4e71b0b2e8c581f1856302ed55f84c93d7092f3c523f2c9eb",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-07-04T15:11:24Z",
    "title_canon_sha256": "edda29bed400bd085ecdc3cb89435f7888c93d4f8950c3cab6eb0786f8826809"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.03640",
    "kind": "arxiv",
    "version": 1
  }
}