Pith Number

pith:GSN45VNT

pith:2021:GSN45VNTFFKC4XUT3PRIDEI7CQ

not attested not anchored not stored refs pending

Optofluidic ptychography on a chip

Bin Feng, Chengfei Guo, Derek Hu, Guoan Zheng, Patrick Hu, Pengming Song, Shaowei Jiang, Tianbo Wang, Zibang Zhang

arxiv:2112.10505 v1 · 2021-12-15 · physics.ins-det · 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{GSN45VNTFFKC4XUT3PRIDEI7CQ}

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	2026-07-05T03:42:15.959358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

349bced5b329542e5e93dbe281911f1407620f65cc57ff5b97bdabb50dc1fe68

Aliases

arxiv: 2112.10505 · arxiv_version: 2112.10505v1 · doi: 10.48550/arxiv.2112.10505 · pith_short_12: GSN45VNTFFKC · pith_short_16: GSN45VNTFFKC4XUT · pith_short_8: GSN45VNT

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/GSN45VNTFFKC4XUT3PRIDEI7CQ \
  | 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: 349bced5b329542e5e93dbe281911f1407620f65cc57ff5b97bdabb50dc1fe68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35ac958b1e45707e67ed8f6434799397881bf5e7ddea121ed58f00881fd2b99f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2021-12-15T14:21:11Z",
    "title_canon_sha256": "5b05ba4b9606133eddc4ed3fb83e097b69fdbe8d8fdd0e9dad1108b68f921acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10505",
    "kind": "arxiv",
    "version": 1
  }
}