Pith Number

pith:YXTFQMCI

pith:2004:YXTFQMCINIKAIOYFEP7PO65WR5

not attested not anchored not stored refs pending

Unambiguous discrimination of mixed quantum states

Chi Zhang, Ming Sheng Ying, Yuan Feng

arxiv:quant-ph/0410073 v3 · 2004-10-10 · 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{YXTFQMCINIKAIOYFEP7PO65WR5}

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	2026-07-04T14:50:17.316625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5e65830486a14043b0523fef77bb68f5e3ec9886bf8d6f7d3ecfe8a285420a4

Aliases

arxiv: quant-ph/0410073 · arxiv_version: quant-ph/0410073v3 · doi: 10.48550/arxiv.quant-ph/0410073 · pith_short_12: YXTFQMCINIKA · pith_short_16: YXTFQMCINIKAIOYF · pith_short_8: YXTFQMCI

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/YXTFQMCINIKAIOYFEP7PO65WR5 \
  | 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: c5e65830486a14043b0523fef77bb68f5e3ec9886bf8d6f7d3ecfe8a285420a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daa257fb65c059e797ec26ccc263703d375029e9ac1f86a845a89761eafc91d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-10-10T07:36:41Z",
    "title_canon_sha256": "a02b86e05b46fcac3c9bdfbb4ec7da4473ff89031277123ae7267a00040db7a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0410073",
    "kind": "arxiv",
    "version": 3
  }
}