Pith Number

pith:LGF2NS32

pith:2026:LGF2NS32D45DVBUZ5H6AI6MAJH

not attested not anchored not stored refs pending

Spectrally engineered collinear type-0 SPDC source with enhanced spectral brightness for entanglement distribution

Dong-Gil Im, Dongkyu Kim, Jungmo Lee, Kyungdeuk Park, Yonggi Jo, Yong Sup Ihn

arxiv:2606.24036 v1 · 2026-06-23 · 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{LGF2NS32D45DVBUZ5H6AI6MAJH}

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	2026-06-24T01:14:38.702142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

598ba6cb7a1f3a3a8699e9fc04798049ed7768432f457358b51d4e03ff8035a8

Aliases

arxiv: 2606.24036 · arxiv_version: 2606.24036v1 · doi: 10.48550/arxiv.2606.24036 · pith_short_12: LGF2NS32D45D · pith_short_16: LGF2NS32D45DVBUZ · pith_short_8: LGF2NS32

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/LGF2NS32D45DVBUZ5H6AI6MAJH \
  | 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: 598ba6cb7a1f3a3a8699e9fc04798049ed7768432f457358b51d4e03ff8035a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20b74d95b18518a218bd2a072ab19bc9941643cdc7148ac75599d8b10b8752b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-23T00:36:17Z",
    "title_canon_sha256": "4d63b8a7d276bc176c89b6e4778b36b27db39183447eee88b5e58ddbb4f6c43b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.24036",
    "kind": "arxiv",
    "version": 1
  }
}