Pith Number

pith:DQLYRG63

pith:2020:DQLYRG636ATSF63YRCS2UZ2ENW

not attested not anchored not stored refs pending

Engineering the spectral profile of photon pairs by using multi-stage nonlinear interferometers

Liang Cui, Mingyi Ma, Xiaoying Li

arxiv:2008.03963 v2 · 2020-08-10 · 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{DQLYRG636ATSF63YRCS2UZ2ENW}

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	2026-07-05T01:42:55.946438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c17889bdbf02722fb7888a5aa67446db8724c94d6fdc8fbba9844d0bd0de7b3

Aliases

arxiv: 2008.03963 · arxiv_version: 2008.03963v2 · doi: 10.48550/arxiv.2008.03963 · pith_short_12: DQLYRG636ATS · pith_short_16: DQLYRG636ATSF63Y · pith_short_8: DQLYRG63

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/DQLYRG636ATSF63YRCS2UZ2ENW \
  | 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: 1c17889bdbf02722fb7888a5aa67446db8724c94d6fdc8fbba9844d0bd0de7b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23ea1c7affb062d298261eab4f8c8456d7bd4c9557eac303a6df4ce2ce774b7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-08-10T08:37:47Z",
    "title_canon_sha256": "ea25fb2c9104a4253ed6c55cfc0da079ef8dc456cb01087a087c408fc155935a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.03963",
    "kind": "arxiv",
    "version": 2
  }
}