Pith Number

pith:L2XUEEH4

pith:2009:L2XUEEH4UVPHKUS3J762XV7HAH

not attested not anchored not stored refs pending

Optimum Unambiguous Discrimination of Linearly Independent Pure States

Shengjun Wu, Shengshi Pang

arxiv:0906.2990 v2 · 2009-06-16 · 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{L2XUEEH4UVPHKUS3J762XV7HAH}

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	2026-05-18T03:23:59.397926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eaf4210fca55e75525b4ffdabd7e701d57371d6a9b733202289bff6a523a797

Aliases

arxiv: 0906.2990 · arxiv_version: 0906.2990v2 · doi: 10.48550/arxiv.0906.2990 · pith_short_12: L2XUEEH4UVPH · pith_short_16: L2XUEEH4UVPHKUS3 · pith_short_8: L2XUEEH4

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/L2XUEEH4UVPHKUS3J762XV7HAH \
  | 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: 5eaf4210fca55e75525b4ffdabd7e701d57371d6a9b733202289bff6a523a797

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbe83e9890881cfcdfe2b5afc6a34f4b7b3ba4751f9f816434ae308362649835",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-16T18:12:48Z",
    "title_canon_sha256": "939acb240db9722258930442a4c514e6d1d461ac13997477ff4772413097c0e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2990",
    "kind": "arxiv",
    "version": 2
  }
}