Pith Number

pith:D3IIZLC7

pith:2026:D3IIZLC7RBBHAAGQFKVQEWIUYZ

not attested not anchored not stored refs pending

Three-fold coincidence by stimulated parametric down-conversion

Alessio D'Errico, Dilip Paneru, Ebrahim Karimi, Eliahu Cohen, Farid Ghobadi, Nazanin Dehghan, Yishai Klein

arxiv:2605.27653 v1 · 2026-05-26 · 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{D3IIZLC7RBBHAAGQFKVQEWIUYZ}

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	2026-05-28T01:04:45.435230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ed08cac5f88427000d02aab025914c67677a4fabd834ff2aaaa76b75a3379a0

Aliases

arxiv: 2605.27653 · arxiv_version: 2605.27653v1 · doi: 10.48550/arxiv.2605.27653 · pith_short_12: D3IIZLC7RBBH · pith_short_16: D3IIZLC7RBBHAAGQ · pith_short_8: D3IIZLC7

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/D3IIZLC7RBBHAAGQFKVQEWIUYZ \
  | 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: 1ed08cac5f88427000d02aab025914c67677a4fabd834ff2aaaa76b75a3379a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d36857ffe58886ed01a0a7e19220e3a6b6e11882f3387ad751393c9af69b09e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-26T20:14:01Z",
    "title_canon_sha256": "83e33c31eb51f8779e2087169e03ce616218991f2c88447b8736a59449229c81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27653",
    "kind": "arxiv",
    "version": 1
  }
}