Pith Number

pith:ZWIDDPBA

pith:2009:ZWIDDPBAM3FTDFKPFPKOG6I7JU

not attested not anchored not stored refs pending

Quantum hypothesis testing with group symmetry

Fumio Hiai, Masahito Hayashi, Milan Mosonyi

arxiv:0904.0704 v2 · 2009-04-04 · 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{ZWIDDPBAM3FTDFKPFPKOG6I7JU}

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	2026-05-18T02:14:07.520713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd9031bc2066cb31954f2bd4e3791f4d30fbe88454a65ba33dccbb6ebfc1a94a

Aliases

arxiv: 0904.0704 · arxiv_version: 0904.0704v2 · doi: 10.48550/arxiv.0904.0704 · pith_short_12: ZWIDDPBAM3FT · pith_short_16: ZWIDDPBAM3FTDFKP · pith_short_8: ZWIDDPBA

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/ZWIDDPBAM3FTDFKPFPKOG6I7JU \
  | 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: cd9031bc2066cb31954f2bd4e3791f4d30fbe88454a65ba33dccbb6ebfc1a94a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f47463960e0594823dbe357213f0ba670390d281d3b97682626320713f7e050",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-04-04T12:31:29Z",
    "title_canon_sha256": "959bb9efe935cb93d5839f401137eae07c5ac98f5dde278599d17a96f99cf831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0704",
    "kind": "arxiv",
    "version": 2
  }
}