Pith Number

pith:P63V6JQV

pith:2016:P63V6JQVCUOYZDAFUITQAS5SMP

not attested not anchored not stored refs pending

Optimal compression for identically prepared qubit states

Giulio Chiribella, Masahito Hayashi, Yuxiang Yang

arxiv:1606.02893 v3 · 2016-06-09 · quant-ph · cs.IT · math-ph · math.IT · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P63V6JQVCUOYZDAFUITQAS5SMP}

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	2026-05-18T00:56:06.336583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fb75f2615151d8c8c05a227004bb263dc36bff9db54a4828b60ef9bd2e196f0

Aliases

arxiv: 1606.02893 · arxiv_version: 1606.02893v3 · doi: 10.48550/arxiv.1606.02893 · pith_short_12: P63V6JQVCUOY · pith_short_16: P63V6JQVCUOYZDAF · pith_short_8: P63V6JQV

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/P63V6JQVCUOYZDAFUITQAS5SMP \
  | 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: 7fb75f2615151d8c8c05a227004bb263dc36bff9db54a4828b60ef9bd2e196f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bfda9627a0ff13ff252fcab4cdf378dcac60fdde88acf07544777d5ee715532",
    "cross_cats_sorted": [
      "cs.IT",
      "math-ph",
      "math.IT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-06-09T10:13:01Z",
    "title_canon_sha256": "ad6c43586f06c2ebcd5ae256e2e95f59a2c5e000d9f531d39be68c8f29417cd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02893",
    "kind": "arxiv",
    "version": 3
  }
}