Pith Number

pith:D7BU7YFM

pith:2011:D7BU7YFMG4X24TVEJ3K3KXVLSI

not attested not anchored not stored refs pending

Information, fidelity, and reversibility in single-qubit measurements

Hiroaki Terashima

arxiv:1101.1376 v1 · 2011-01-07 · 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{D7BU7YFMG4X24TVEJ3K3KXVLSI}

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	2026-05-18T04:26:32.664601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fc34fe0ac372fae4ea44ed5b55eab923820d90a55c155fe60a42be23defce03

Aliases

arxiv: 1101.1376 · arxiv_version: 1101.1376v1 · doi: 10.48550/arxiv.1101.1376 · pith_short_12: D7BU7YFMG4X2 · pith_short_16: D7BU7YFMG4X24TVE · pith_short_8: D7BU7YFM

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/D7BU7YFMG4X24TVEJ3K3KXVLSI \
  | 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: 1fc34fe0ac372fae4ea44ed5b55eab923820d90a55c155fe60a42be23defce03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "692a04be9aba6447048258ea1b5ae85059249f814978bea33ba4dfd7175975b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-01-07T08:13:35Z",
    "title_canon_sha256": "a1e139d9ea37ed5537dbae2468ee4391a7f5343c20c83001bc53419b8a5c4017"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1376",
    "kind": "arxiv",
    "version": 1
  }
}