Pith Number

pith:3LFBVTWJ

pith:2005:3LFBVTWJCZU7LEWPHXX5XCZWMB

not attested not anchored not stored refs pending

Geodesics and the best measurement for distinguishing quantum states

Asa Ericsson

arxiv:quant-ph/0508133 v2 · 2005-08-18 · 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{3LFBVTWJCZU7LEWPHXX5XCZWMB}

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.

Cited by

1 paper in Pith

A thermofield-double model of Uhlmann anholonomy

Receipt and verification

First computed	2026-07-04T16:58:07.462885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daca1acec91669f592cf3defdb8b366043eb68ed61dacde904da09360107bb40

Aliases

arxiv: quant-ph/0508133 · arxiv_version: quant-ph/0508133v2 · doi: 10.48550/arxiv.quant-ph/0508133 · pith_short_12: 3LFBVTWJCZU7 · pith_short_16: 3LFBVTWJCZU7LEWP · pith_short_8: 3LFBVTWJ

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/3LFBVTWJCZU7LEWPHXX5XCZWMB \
  | 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: daca1acec91669f592cf3defdb8b366043eb68ed61dacde904da09360107bb40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94593777b67f512b63f6f09741389b3adddc6a1c6423d5baad5901005b60ad63",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-08-18T15:55:17Z",
    "title_canon_sha256": "f12628c8e4ca93586788d04268bf53dada9c7d90f242469dcbcd9c16a5aa8bdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0508133",
    "kind": "arxiv",
    "version": 2
  }
}