Pith Number

pith:NPD3PXF6

pith:2026:NPD3PXF6XBMUT6LKUIIC5KG2KU

not attested not anchored not stored refs pending

Dual Line Coherent Detection

Andrew Ellis, Frank Smyth, Mohammed Patel, Nelson Castro, Sergei Turitsyn, Yiming Li

arxiv:2606.17932 v1 · 2026-06-16 · physics.optics · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPD3PXF6XBMUT6LKUIIC5KG2KU}

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	2026-06-19T16:10:43.853515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc7b7dcbeb85949f96aa2102ea8da552903090b522b836f66cbbec6a4dd1204

Aliases

arxiv: 2606.17932 · arxiv_version: 2606.17932v1 · doi: 10.48550/arxiv.2606.17932 · pith_short_12: NPD3PXF6XBMU · pith_short_16: NPD3PXF6XBMUT6LK · pith_short_8: NPD3PXF6

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/NPD3PXF6XBMUT6LKUIIC5KG2KU \
  | 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: 6bc7b7dcbeb85949f96aa2102ea8da552903090b522b836f66cbbec6a4dd1204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08089467f041bb33b1814690812b08618cece3cf9a557fe5beb8f0065ebb9455",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-06-16T13:42:01Z",
    "title_canon_sha256": "c221d3029e27fbd293178554b02702a8db5826bd831a7aec783ca84241b3fc78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17932",
    "kind": "arxiv",
    "version": 1
  }
}