Pith Number

pith:JORXI44G

pith:2014:JORXI44GU34GVZTNZP2QSAPS5C

not attested not anchored not stored refs pending

Efficient Approximation of Quantum Channel Capacities

David Sutter, Peyman Mohajerin Esfahani, Renato Renner, Tobias Sutter

arxiv:1407.8202 v1 · 2014-07-30 · quant-ph · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JORXI44GU34GVZTNZP2QSAPS5C}

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	2026-05-18T01:22:14.919043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ba3747386a6f86ae66dcbf50901f2e8bae2acba2a28a8e48a0273b583a288a2

Aliases

arxiv: 1407.8202 · arxiv_version: 1407.8202v1 · doi: 10.48550/arxiv.1407.8202 · pith_short_12: JORXI44GU34G · pith_short_16: JORXI44GU34GVZTN · pith_short_8: JORXI44G

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/JORXI44GU34GVZTNZP2QSAPS5C \
  | 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: 4ba3747386a6f86ae66dcbf50901f2e8bae2acba2a28a8e48a0273b583a288a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97d6e3c65ee3871851122aaf620461888f1f349dcb9b1fd81b7a119baecc948f",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-30T20:23:09Z",
    "title_canon_sha256": "c00adac469cbc6c9bdc5f3573a181638de27610070ec64ee8880edd0b2e2b7f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8202",
    "kind": "arxiv",
    "version": 1
  }
}