Pith Number

pith:FTEFDOJU

pith:2001:FTEFDOJU4Z7WTLC6VHXB7HRO36

not attested not anchored not stored refs pending

Quantum state conversion by cross-Kerr interaction

D.-G. Welsch, J. Clausen, L. Knoell

arxiv:quant-ph/0111149 v1 · 2001-11-27 · 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{FTEFDOJU4Z7WTLC6VHXB7HRO36}

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	2026-05-18T01:15:53.683103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cc851b934e67f69ac5ea9ee1f9e2edf9b6a2e157d3890abea4e662284c1abc5

Aliases

arxiv: quant-ph/0111149 · arxiv_version: quant-ph/0111149v1 · doi: 10.48550/arxiv.quant-ph/0111149 · pith_short_12: FTEFDOJU4Z7W · pith_short_16: FTEFDOJU4Z7WTLC6 · pith_short_8: FTEFDOJU

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/FTEFDOJU4Z7WTLC6VHXB7HRO36 \
  | 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: 2cc851b934e67f69ac5ea9ee1f9e2edf9b6a2e157d3890abea4e662284c1abc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6126877b2244f828557df971efd6ec96ff476faa0dccd8421f459f831aff20f4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-11-27T19:44:49Z",
    "title_canon_sha256": "5601f546abaf887f156480ecdcb1c05ba9be82d10b9081423e752cffee609a38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0111149",
    "kind": "arxiv",
    "version": 1
  }
}