Pith Number

pith:BHT4F2PF

pith:2021:BHT4F2PFF7ADJNLQQGMU6HRAVD

not attested not anchored not stored refs pending

Computer-free, all-optical reconstruction of holograms using diffractive networks

Aydogan Ozcan, Md Sadman Sakib Rahman

arxiv:2107.08177 v1 · 2021-07-17 · physics.optics · eess.IV · physics.app-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{BHT4F2PFF7ADJNLQQGMU6HRAVD}

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	2026-07-05T03:26:19.329883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09e7c2e9e52fc034b57081994f1e20a8d8c9302c88dfe78e2c76a35bd4a78364

Aliases

arxiv: 2107.08177 · arxiv_version: 2107.08177v1 · doi: 10.48550/arxiv.2107.08177 · pith_short_12: BHT4F2PFF7AD · pith_short_16: BHT4F2PFF7ADJNLQ · pith_short_8: BHT4F2PF

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/BHT4F2PFF7ADJNLQQGMU6HRAVD \
  | 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: 09e7c2e9e52fc034b57081994f1e20a8d8c9302c88dfe78e2c76a35bd4a78364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0966819e2310fdb6e34910e2481bd871f4422602b41823e7f254ef8591f7f313",
    "cross_cats_sorted": [
      "eess.IV",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-07-17T04:17:50Z",
    "title_canon_sha256": "7b041f70e3aeef4fe9388eb3f828b46b00daf0a7408ad1154922cab445ba0e05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08177",
    "kind": "arxiv",
    "version": 1
  }
}