Pith Number

pith:FIQDJGJQ

pith:2022:FIQDJGJQJAQHLM5CGLT2O2VJZ5

not attested not anchored not stored refs pending

Performance Limit of Fiber-Longitudinal Power Profile Estimation Methods

Etsushi Yamazaki, Takeo Sasai, Yoshiaki Kisaka

arxiv:2211.08128 v2 · 2022-11-15 · 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{FIQDJGJQJAQHLM5CGLT2O2VJZ5}

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	2026-07-05T05:32:23.885254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a20349930482075b3a232e7a76aa9cf69f8e99eac296071f0d5e0cd1d7c4409

Aliases

arxiv: 2211.08128 · arxiv_version: 2211.08128v2 · doi: 10.48550/arxiv.2211.08128 · pith_short_12: FIQDJGJQJAQH · pith_short_16: FIQDJGJQJAQHLM5C · pith_short_8: FIQDJGJQ

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/FIQDJGJQJAQHLM5CGLT2O2VJZ5 \
  | 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: 2a20349930482075b3a232e7a76aa9cf69f8e99eac296071f0d5e0cd1d7c4409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "311b2a4abc363a3445d8184e123d83d860e3466a8da5fff5585c18bdc35807aa",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-11-15T13:31:48Z",
    "title_canon_sha256": "f47c195069bc8994071669c79e391d8b57354828559e5115dd549cf9ab81c195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.08128",
    "kind": "arxiv",
    "version": 2
  }
}