Pith Number

pith:XLSXLCFI

pith:2017:XLSXLCFIXXXESNZNYKCXPYKSJF

not attested not anchored not stored refs pending

Quantum tomography enhanced through parametric amplification

E. Knyazev, F. Ya. Khalili, K. Yu. Spasibko, M. V. Chekhova

arxiv:1708.03820 v1 · 2017-08-12 · 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{XLSXLCFIXXXESNZNYKCXPYKSJF}

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	2026-05-18T00:30:50.544518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bae57588a8bdee49372dc28577e1524972bde60fb4db2cc7ac9bfb9bd533aa2e

Aliases

arxiv: 1708.03820 · arxiv_version: 1708.03820v1 · doi: 10.48550/arxiv.1708.03820 · pith_short_12: XLSXLCFIXXXE · pith_short_16: XLSXLCFIXXXESNZN · pith_short_8: XLSXLCFI

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/XLSXLCFIXXXESNZNYKCXPYKSJF \
  | 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: bae57588a8bdee49372dc28577e1524972bde60fb4db2cc7ac9bfb9bd533aa2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb365844bb327ea0a74b80f2890264375ae492bfa117c78f2a612a240883dc16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-12T20:18:04Z",
    "title_canon_sha256": "a8d675c5be91a2c80cd1e63d0965a9102cf8374e55ede3da6ae32ca87e077c66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03820",
    "kind": "arxiv",
    "version": 1
  }
}