Pith Number

pith:FYEB6XPD

pith:2025:FYEB6XPDUT33LT6EN5YWZDFWGV

not attested not anchored not stored refs pending

Proper and improper mixed states serve as different prior beliefs for quantum state retrodiction

Ge Bai, Mingxuan Liu, Valerio Scarani

arxiv:2502.10030 v2 · 2025-02-14 · 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{FYEB6XPDUT33LT6EN5YWZDFWGV}

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

Experimental Tabletop Petz recovery of a photonic qubit

Receipt and verification

First computed	2026-06-12T01:09:07.408467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e081f5de3a4f7b5cfc46f716c8cb6355b1bac51540d03a4032edd89925ddd4e

Aliases

arxiv: 2502.10030 · arxiv_version: 2502.10030v2 · doi: 10.48550/arxiv.2502.10030 · pith_short_12: FYEB6XPDUT33 · pith_short_16: FYEB6XPDUT33LT6E · pith_short_8: FYEB6XPD

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/FYEB6XPDUT33LT6EN5YWZDFWGV \
  | 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: 2e081f5de3a4f7b5cfc46f716c8cb6355b1bac51540d03a4032edd89925ddd4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "886e44d42ef03d91e7ec49477aae5444724e2f44c6cbd402d34cbbc94f1d27ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-14T09:17:32Z",
    "title_canon_sha256": "600196b6de5f0b386c2a73bf93ac48a43e7b8c917a0e1675a69f3df609a668a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.10030",
    "kind": "arxiv",
    "version": 2
  }
}