Pith Number

pith:4IZ2FYMV

pith:2025:4IZ2FYMVRX2NZSJRYBOEF7E3FY

not attested not anchored not stored refs pending

Two-colour balanced optical cross-correlator using fibre-coupled PPLN waveguides

Edward W. Snedden, James R. Henderson, Jonathan Christie, Laura Corner

arxiv:2506.01812 v1 · 2025-06-02 · physics.optics · physics.acc-ph · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IZ2FYMVRX2NZSJRYBOEF7E3FY}

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	2026-07-05T11:14:19.752443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e233a2e1958df4dcc931c05c42fc9b2e20b7c97d68076f726577849462b1d79f

Aliases

arxiv: 2506.01812 · arxiv_version: 2506.01812v1 · doi: 10.48550/arxiv.2506.01812 · pith_short_12: 4IZ2FYMVRX2N · pith_short_16: 4IZ2FYMVRX2NZSJR · pith_short_8: 4IZ2FYMV

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/4IZ2FYMVRX2NZSJRYBOEF7E3FY \
  | 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: e233a2e1958df4dcc931c05c42fc9b2e20b7c97d68076f726577849462b1d79f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28787375a858267eda62d2c73cbbfeae6768a451599702e6ec7bcb50ae697169",
    "cross_cats_sorted": [
      "physics.acc-ph",
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-06-02T15:53:53Z",
    "title_canon_sha256": "da6b6c6398c7237105e794e5e58674904e2f51d9cdc8562d9931b94d96f35544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.01812",
    "kind": "arxiv",
    "version": 1
  }
}