Pith Number

pith:4C5X22LU

pith:2018:4C5X22LU7S4GOKDFKYWZAU3BD3

not attested not anchored not stored refs pending

Quantum Process Fidelity Bounds from Sets of Input States

Emanuel Knill, Karl Mayer

arxiv:1805.04491 v1 · 2018-05-11 · 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{4C5X22LU7S4GOKDFKYWZAU3BD3}

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	2026-05-17T23:59:52.803986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0bb7d6974fcb8672865562d9053611ef07d95e6410dd90740b8f9081017368c

Aliases

arxiv: 1805.04491 · arxiv_version: 1805.04491v1 · doi: 10.48550/arxiv.1805.04491 · pith_short_12: 4C5X22LU7S4G · pith_short_16: 4C5X22LU7S4GOKDF · pith_short_8: 4C5X22LU

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/4C5X22LU7S4GOKDFKYWZAU3BD3 \
  | 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: e0bb7d6974fcb8672865562d9053611ef07d95e6410dd90740b8f9081017368c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4481ab12ddb7bdb0cd3a6e083e360e04f7f8e1a3b4f9c6d7e7b4bbb378381c25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-11T16:56:31Z",
    "title_canon_sha256": "26ee0e68a73245dba88f6bd8ca384d018f55edf2e7ba6651b9a8f9c92b422daf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04491",
    "kind": "arxiv",
    "version": 1
  }
}