Pith Number

pith:KQWBOTPC

pith:2025:KQWBOTPCFLEMXNC444AW54F34J

not attested not anchored not stored refs pending

An optical frequency shifter based on continuous-wave pump fields

Anica Hamer, Frank Vewinger, Michael H. Frosz, Simon Stellmer

arxiv:2506.05989 v1 · 2025-06-06 · 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{KQWBOTPCFLEMXNC444AW54F34J}

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	2026-07-05T11:17:14.295032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

542c174de22ac8cbb45ce7016ef0bbe251fbf4a794c648a5dedbd1784a65bf49

Aliases

arxiv: 2506.05989 · arxiv_version: 2506.05989v1 · doi: 10.48550/arxiv.2506.05989 · pith_short_12: KQWBOTPCFLEM · pith_short_16: KQWBOTPCFLEMXNC4 · pith_short_8: KQWBOTPC

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/KQWBOTPCFLEMXNC444AW54F34J \
  | 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: 542c174de22ac8cbb45ce7016ef0bbe251fbf4a794c648a5dedbd1784a65bf49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97a00f4f8d0be7de083633b68496a34d9ef6f4e91d1ce991e4fb6be872543cea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-06T11:19:17Z",
    "title_canon_sha256": "9732c4c178e3fe91942370d72c6fb4de28a586402a394d3402929510dd96dc80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.05989",
    "kind": "arxiv",
    "version": 1
  }
}