Pith Number

pith:QD3Y7V26

pith:2014:QD3Y7V263ET4TWJ3TZIJVXLNK5

not attested not anchored not stored refs pending

Probing spectral-temporal correlations with a versatile integrated source of parametric down-conversion states

Benjamin Brecht, Christine Silberhorn, Georg Harder, Vahid Ansari

arxiv:1404.7725 v3 · 2014-04-30 · 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{QD3Y7V263ET4TWJ3TZIJVXLNK5}

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	2026-05-18T02:29:08.331497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f78fd75ed927c9d93b9e509add6d574733d5f07a3047ddc053a03fa43ada05

Aliases

arxiv: 1404.7725 · arxiv_version: 1404.7725v3 · doi: 10.48550/arxiv.1404.7725 · pith_short_12: QD3Y7V263ET4 · pith_short_16: QD3Y7V263ET4TWJ3 · pith_short_8: QD3Y7V26

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/QD3Y7V263ET4TWJ3TZIJVXLNK5 \
  | 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: 80f78fd75ed927c9d93b9e509add6d574733d5f07a3047ddc053a03fa43ada05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f3ad55609b7ad82ab6856a9e6a4760bb3d2d17550d9c75d8b125a7ef87f04c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-30T13:54:08Z",
    "title_canon_sha256": "067591ee8eb2f60190b0951547f727585461af69292e53362c5743e29ae65691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7725",
    "kind": "arxiv",
    "version": 3
  }
}