Pith Number

pith:XWKH6JHY

pith:2020:XWKH6JHY3F54TOTWHNTX34MH7E

not attested not anchored not stored refs pending

Investigation of analog signal distortion introduced by a fiber phase sensitive amplifier

Debanuj Chatterjee, Fabien Bretenaker, Fabienne Goldfarb, Ihsan Fsaifes, Tarek Labidi, Weilin Xie, Yousra Bouasria

arxiv:2009.05399 v1 · 2020-09-10 · eess.SP · 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{XWKH6JHY3F54TOTWHNTX34MH7E}

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	2026-07-05T06:31:55.834653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd947f24f8d97bc9ba763b677df187f921d312bec62c198f95298e18a84b7da5

Aliases

arxiv: 2009.05399 · arxiv_version: 2009.05399v1 · doi: 10.48550/arxiv.2009.05399 · pith_short_12: XWKH6JHY3F54 · pith_short_16: XWKH6JHY3F54TOTW · pith_short_8: XWKH6JHY

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/XWKH6JHY3F54TOTWHNTX34MH7E \
  | 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: bd947f24f8d97bc9ba763b677df187f921d312bec62c198f95298e18a84b7da5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "496e50c23152f628cf5fab6790b49dce747b2eabb83335761b70c1fa50206a1d",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-09-10T15:25:40Z",
    "title_canon_sha256": "bc1581bc8632916b6d7b23635228b10d80687634161a6720785afaf0f48f290e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05399",
    "kind": "arxiv",
    "version": 1
  }
}