Pith Number

pith:BBQQC4DJ

pith:2025:BBQQC4DJJISJGKPUREI7WCBJL4

not attested not anchored not stored refs pending

Diffuse Optical Ptychography

Chengyuan Xiao, Cuong Dang, Mingwei He, Sujit K. Sahoo

arxiv:2505.01090 v1 · 2025-05-02 · 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{BBQQC4DJJISJGKPUREI7WCBJL4}

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	2026-06-10T01:09:16.714234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08610170694a249329f48911fb08295f0c50497d6e00f01c6d0b62d5805ffa46

Aliases

arxiv: 2505.01090 · arxiv_version: 2505.01090v1 · doi: 10.48550/arxiv.2505.01090 · pith_short_12: BBQQC4DJJISJ · pith_short_16: BBQQC4DJJISJGKPU · pith_short_8: BBQQC4DJ

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/BBQQC4DJJISJGKPUREI7WCBJL4 \
  | 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: 08610170694a249329f48911fb08295f0c50497d6e00f01c6d0b62d5805ffa46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8219d99e9c8c2f2cbf5ca403e4c2d2ec9bf2c342490f98724e1c571683e034f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-05-02T07:58:15Z",
    "title_canon_sha256": "07ff62e9bdd84b1e8aa74a82db19a7c3b321f862ff6476ef982dbbdf6d9d9b80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01090",
    "kind": "arxiv",
    "version": 1
  }
}