Pith Number

pith:NI2QAK4M

pith:2021:NI2QAK4M6F43PGSHRG4PNJHJ64

not attested not anchored not stored refs pending

Scalable and accurate multi-GPU based image reconstruction of large-scale ptychography data

Daniel J. Ching, Doga Gursoy, Selin Aslan, Tekin Bicer, Viktor Nikitin, Xiaodong Yu

arxiv:2106.07575 v1 · 2021-06-14 · cs.DC · eess.IV · physics.comp-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{NI2QAK4M6F43PGSHRG4PNJHJ64}

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	2026-07-05T04:11:06.118784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a35002b8cf179b79a4789b8f6a4e9f738876ceebfef8c9c17f08ea5dc72c09e

Aliases

arxiv: 2106.07575 · arxiv_version: 2106.07575v1 · doi: 10.48550/arxiv.2106.07575 · pith_short_12: NI2QAK4M6F43 · pith_short_16: NI2QAK4M6F43PGSH · pith_short_8: NI2QAK4M

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/NI2QAK4M6F43PGSHRG4PNJHJ64 \
  | 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: 6a35002b8cf179b79a4789b8f6a4e9f738876ceebfef8c9c17f08ea5dc72c09e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "329191b4276361d6c55dbd36294319c45df78f3ab15ad63cce6ae346b340780a",
    "cross_cats_sorted": [
      "eess.IV",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-06-14T16:30:00Z",
    "title_canon_sha256": "70d7b301818312d563d3a930147a2b9eec58d0444af69c6b4964d4de6e2abb0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.07575",
    "kind": "arxiv",
    "version": 1
  }
}