Pith Number

pith:IJLD6TSC

pith:2026:IJLD6TSCZT67XO2HUUL4ANDPSS

not attested not anchored not stored refs pending

Demonstration of a Monolithic and Fully Telecom-Fiber-Compatible Tunable Source of Polarization Entangled Photon Pairs Based on a van der Waals Material

Benjamin Laudert, Dragomir Neshev, Duk Choi, Falk Eilenberger, Fatemeh Abtahi

arxiv:2606.21874 v1 · 2026-06-20 · quant-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{IJLD6TSCZT67XO2HUUL4ANDPSS}

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	2026-06-23T02:13:01.660810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42563f4e42ccfdfbbb47a517c0346f94ad2962a18a781fee48312f19cd8a8461

Aliases

arxiv: 2606.21874 · arxiv_version: 2606.21874v1 · doi: 10.48550/arxiv.2606.21874 · pith_short_12: IJLD6TSCZT67 · pith_short_16: IJLD6TSCZT67XO2H · pith_short_8: IJLD6TSC

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/IJLD6TSCZT67XO2HUUL4ANDPSS \
  | 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: 42563f4e42ccfdfbbb47a517c0346f94ad2962a18a781fee48312f19cd8a8461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "040a638169eae58562924f91e150ca30aae9780054fb0a1f1fee52f41f303160",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-20T04:24:15Z",
    "title_canon_sha256": "885d9ac3e02c50481e0d755012ff98dba56a1b338b910d7810e206e4bba12f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21874",
    "kind": "arxiv",
    "version": 1
  }
}