Pith Number

pith:RZ7SFWQ2

pith:2025:RZ7SFWQ27OXXVZOU5RTZQ2XFME

not attested not anchored not stored refs pending

Position-Blind Ptychography: Viability of image reconstruction via data-driven variational inference

Berthy Feng, Henry Chapman, Lorenz Kuger, Martin Burger, Simon Welker, Timo Gerkmann, Tim Roith

arxiv:2509.25269 v3 · 2025-09-28 · eess.IV · cs.CV · cs.LG · cs.NA · math.NA · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZ7SFWQ27OXXVZOU5RTZQ2XFME}

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	2026-06-01T01:02:21.918402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e7f22da1afbaf7ae5d4ec67986ae56116655410a2ff580025b4a65641e836c0

Aliases

arxiv: 2509.25269 · arxiv_version: 2509.25269v3 · doi: 10.48550/arxiv.2509.25269 · pith_short_12: RZ7SFWQ27OXX · pith_short_16: RZ7SFWQ27OXXVZOU · pith_short_8: RZ7SFWQ2

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/RZ7SFWQ27OXXVZOU5RTZQ2XFME \
  | 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: 8e7f22da1afbaf7ae5d4ec67986ae56116655410a2ff580025b4a65641e836c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "439bed11f9f7f342ebbc2a7451df01be97a66de051ad8ec632c929504ddffb6e",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "cs.NA",
      "math.NA",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-09-28T08:49:55Z",
    "title_canon_sha256": "3055a6a579be3b445b06b8772a511f28ee0ebe7b142377ed2836106a73b79a28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.25269",
    "kind": "arxiv",
    "version": 3
  }
}