Pith Number

pith:IXFH4FTT

pith:2010:IXFH4FTTRJMTOKYNMWIM7HLIIC

not attested not anchored not stored refs pending

Computing the distance between quantum channels: Usefulness of the Fano representation

Giuliano Benenti, Giuliano Strini

arxiv:1004.4110 v1 · 2010-04-23 · 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{IXFH4FTTRJMTOKYNMWIM7HLIIC}

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	2026-05-18T04:38:50.578016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45ca7e16738a59372b0d6590cf9d6840938949797b8452d7081089c60f133521

Aliases

arxiv: 1004.4110 · arxiv_version: 1004.4110v1 · doi: 10.48550/arxiv.1004.4110 · pith_short_12: IXFH4FTTRJMT · pith_short_16: IXFH4FTTRJMTOKYN · pith_short_8: IXFH4FTT

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/IXFH4FTTRJMTOKYNMWIM7HLIIC \
  | 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: 45ca7e16738a59372b0d6590cf9d6840938949797b8452d7081089c60f133521

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ebe9005690961eefd933c0367226773d90f786d822f938e378a7c91075c9ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-23T12:14:41Z",
    "title_canon_sha256": "769f6f642bc7e4a61ab55e82b66153b143b7ea1c10a30a00e05fab1af1903055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4110",
    "kind": "arxiv",
    "version": 1
  }
}