Pith Number

pith:MMF5AW7L

pith:2008:MMF5AW7LAQAPMQP3I2PSHJDPCG

not attested not anchored not stored refs pending

Quantum hypothesis testing and sufficient subalgebras

Anna Jencova

arxiv:0810.4045 v2 · 2008-10-22 · 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{MMF5AW7LAQAPMQP3I2PSHJDPCG}

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	2026-05-18T02:15:23.655223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

630bd05beb0400f641fb469f23a46f1194352f55afacca6d434bbbfbc8dd0f14

Aliases

arxiv: 0810.4045 · arxiv_version: 0810.4045v2 · doi: 10.48550/arxiv.0810.4045 · pith_short_12: MMF5AW7LAQAP · pith_short_16: MMF5AW7LAQAPMQP3 · pith_short_8: MMF5AW7L

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/MMF5AW7LAQAPMQP3I2PSHJDPCG \
  | 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: 630bd05beb0400f641fb469f23a46f1194352f55afacca6d434bbbfbc8dd0f14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f2d0f50fecf417af0085874db09d2b3271785a416b3988263a390f64919f962",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-10-22T12:13:06Z",
    "title_canon_sha256": "a86347b16afce1f5aebd44d1365ebb050caf9ed269c9772472b98508adf01789"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4045",
    "kind": "arxiv",
    "version": 2
  }
}