Pith Number

pith:PKRLQZOC

pith:2020:PKRLQZOC5DXKBMDKDXZTYVMOVJ

not attested not anchored not stored refs pending

Investigation of the noise figure in degenerate dual-pump phase sensitive amplifier using a multi-wave model

Debanuj Chatterjee, Fabien Bretenaker, Fabienne Goldfarb, Ihsan Fsaifes, Weilin Xie, Yassine Hassouni, Yousra Bouasria

arxiv:2009.04940 v1 · 2020-09-10 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKRLQZOC5DXKBMDKDXZTYVMOVJ}

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	2026-07-05T01:34:31.537030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aa2b865c2e8eea0b06a1df33c558eaa6f511c0b581bf1f0105ddf2226907c13

Aliases

arxiv: 2009.04940 · arxiv_version: 2009.04940v1 · doi: 10.48550/arxiv.2009.04940 · pith_short_12: PKRLQZOC5DXK · pith_short_16: PKRLQZOC5DXKBMDK · pith_short_8: PKRLQZOC

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/PKRLQZOC5DXKBMDKDXZTYVMOVJ \
  | 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: 7aa2b865c2e8eea0b06a1df33c558eaa6f511c0b581bf1f0105ddf2226907c13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0775fed89a76bd8a58218177b3f795d19f77fe724b4223e64bc8bdeb0b5f4873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-09-10T15:38:38Z",
    "title_canon_sha256": "2df54eb4185c10e4a7dc93c6c81ba2225452236d64938d800d4563f0d9acc6e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.04940",
    "kind": "arxiv",
    "version": 1
  }
}