Pith Number

pith:K25SQFGX

pith:1998:K25SQFGXHV4NV7WJ3QDOID7QKW

not attested not anchored not stored refs pending

Homodyne measurement of exponential phase moments for quantum-phase reconstruction

D.-G. Welsch, G. Breitenbach, J. Mlynek, M. Dakna, S. Schiller, T. Opatrny

arxiv:quant-ph/9802023 v1 · 1998-02-09 · 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{K25SQFGXHV4NV7WJ3QDOID7QKW}

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	2026-07-04T14:47:10.657626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56bb2814d73d78dafec9dc06e40ff0559c5110a3fde57e5397e7323e0a521107

Aliases

arxiv: quant-ph/9802023 · arxiv_version: quant-ph/9802023v1 · doi: 10.48550/arxiv.quant-ph/9802023 · pith_short_12: K25SQFGXHV4N · pith_short_16: K25SQFGXHV4NV7WJ · pith_short_8: K25SQFGX

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/K25SQFGXHV4NV7WJ3QDOID7QKW \
  | 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: 56bb2814d73d78dafec9dc06e40ff0559c5110a3fde57e5397e7323e0a521107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24a1cf845e90eb553ba94085f078625a6563782cb2ac75887f6a86a42b3221a6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-02-09T10:53:30Z",
    "title_canon_sha256": "b431eae3f7d5b4545a6636b83020500c9d6380c59a95579f38b0d80c8cfed873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9802023",
    "kind": "arxiv",
    "version": 1
  }
}