Pith Number

pith:4BPGONZ2

pith:2022:4BPGONZ2XPTLA53KYPRUTQB3SE

not attested not anchored not stored refs pending

Inverse Multislice Ptychography by Layer-wise Optimisation and Sparse Matrix Decomposition

Alexander Clausen, Arya Bangun, Benedikt Diederichs, Benjamin M\"arz, Dieter Weber, Frank Filbir, Knut M\"uller-Caspary, Oleh Melnyk

arxiv:2205.03902 v1 · 2022-05-08 · cs.IT · math.IT · 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{4BPGONZ2XPTLA53KYPRUTQB3SE}

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	2026-07-05T05:21:41.498267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e05e67373abbe6b0776ac3e349c03b912a91bbf12a9edddc0a42ab064cc4f20d

Aliases

arxiv: 2205.03902 · arxiv_version: 2205.03902v1 · doi: 10.48550/arxiv.2205.03902 · pith_short_12: 4BPGONZ2XPTL · pith_short_16: 4BPGONZ2XPTLA53K · pith_short_8: 4BPGONZ2

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/4BPGONZ2XPTLA53KYPRUTQB3SE \
  | 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: e05e67373abbe6b0776ac3e349c03b912a91bbf12a9edddc0a42ab064cc4f20d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f379ce0b7c7ae48917dffa2318e8d9f44a5661d0cce8bd068d3ad9b7480c146b",
    "cross_cats_sorted": [
      "math.IT",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-05-08T15:42:34Z",
    "title_canon_sha256": "e5bef39d825a0895ab53b6a28d0201dce958c56d084b708e1b75a8ec6e6573c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.03902",
    "kind": "arxiv",
    "version": 1
  }
}