Pith Number

pith:BGI7HZ2S

pith:2025:BGI7HZ2SQVZEBDHF7FPU7HNFSM

not attested not anchored not stored refs pending

Fast quantum interferometry at the nanometer and attosecond scales with energy-entangled photons

Colin P. Lualdi, Kristina A. Meier, Michael Vayninger, Paul G. Kwiat, Simeon I. Bogdanov, Spencer J. Johnson, Swetapadma Sahoo

arxiv:2505.15956 v1 · 2025-05-21 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BGI7HZ2SQVZEBDHF7FPU7HNFSM}

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	2026-07-05T11:07:27.825183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0991f3e7528572408ce5f95f4f9da5930450430db9ad3459868c50005005ca69

Aliases

arxiv: 2505.15956 · arxiv_version: 2505.15956v1 · doi: 10.48550/arxiv.2505.15956 · pith_short_12: BGI7HZ2SQVZE · pith_short_16: BGI7HZ2SQVZEBDHF · pith_short_8: BGI7HZ2S

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/BGI7HZ2SQVZEBDHF7FPU7HNFSM \
  | 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: 0991f3e7528572408ce5f95f4f9da5930450430db9ad3459868c50005005ca69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f8c974b4033e5975a7bea2c4406bcf55e315f603327ac6bae4726691144bf05",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-21T19:16:19Z",
    "title_canon_sha256": "1f2bdd8bf907c04c4062f34bff9785c55d77253cdca12fbaf4161c595f488797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.15956",
    "kind": "arxiv",
    "version": 1
  }
}