Pith Number

pith:SFC7KKKU

pith:2019:SFC7KKKUITFYY3ZKYTATZGLLAH

not attested not anchored not stored refs pending

A Compact, Mobile, Low-Threshold Squeezed Light Source

Christian Scheffmann Jacobsen, Jens Arnbak, Jonas Schou Neergaard-Nielsen, Rayssa Bruzaca de Andrade, Tobias Gehring, Ulrik Lund Andersen, Xueshi Guo

arxiv:1909.01160 v1 · 2019-09-03 · 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{SFC7KKKUITFYY3ZKYTATZGLLAH}

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	2026-07-05T00:31:17.978106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9145f5295444cb8c6f2ac4c13c996b01fbba93ab8e3fce64f8b2e9f11651564a

Aliases

arxiv: 1909.01160 · arxiv_version: 1909.01160v1 · doi: 10.48550/arxiv.1909.01160 · pith_short_12: SFC7KKKUITFY · pith_short_16: SFC7KKKUITFYY3ZK · pith_short_8: SFC7KKKU

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/SFC7KKKUITFYY3ZKYTATZGLLAH \
  | 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: 9145f5295444cb8c6f2ac4c13c996b01fbba93ab8e3fce64f8b2e9f11651564a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3eaa95e6ac84734859e3314d9c017aa3bf83aee0b72e18bebf10cf043bb63c9",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-09-03T13:21:14Z",
    "title_canon_sha256": "5b5db7ccee2193a3c0696f0e0b7339f3685d53e5b0ba72395ae5799e2058eded"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01160",
    "kind": "arxiv",
    "version": 1
  }
}