Pith Number

pith:Q2GVVKLV

pith:2024:Q2GVVKLVDY3HNZNKBASQRQL2WH

not attested not anchored not stored refs pending

Fourier-transform infrared spectroscopy with undetected photons from high-gain spontaneous parametric down-conversion

Dmitri B. Horoshko, Kazuki Hashimoto, Maria V. Chekhova, Mikhail I. Kolobov, Yoad Michael, Ziv Gefen

arxiv:2403.05423 v1 · 2024-03-08 · physics.optics · 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{Q2GVVKLVDY3HNZNKBASQRQL2WH}

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	2026-07-05T11:51:15.062057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

868d5aa9751e3676e5aa082508c17ab1c27331f702736c44bd971198bf82fac6

Aliases

arxiv: 2403.05423 · arxiv_version: 2403.05423v1 · doi: 10.48550/arxiv.2403.05423 · pith_short_12: Q2GVVKLVDY3H · pith_short_16: Q2GVVKLVDY3HNZNK · pith_short_8: Q2GVVKLV

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/Q2GVVKLVDY3HNZNKBASQRQL2WH \
  | 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: 868d5aa9751e3676e5aa082508c17ab1c27331f702736c44bd971198bf82fac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59669ff17a1a9701e4f7ed01c2efb9000370fa74036e563e17d5fcd834237d15",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-03-08T16:19:52Z",
    "title_canon_sha256": "2ea05b3bef5d75468fe8f9141e8377df6531092cee5d2514763e6ada210735fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.05423",
    "kind": "arxiv",
    "version": 1
  }
}