Pith Number

pith:E7WISMLU

pith:2021:E7WISMLUMRUAIXCL5ACSEH3WP6

not attested not anchored not stored refs pending

Optical Adaptive LMS Equalizer with an Opto-electronic Feedback Loop

Arthur James Lowery, Xingyuan Xu, Xumeng Liu

arxiv:2111.04969 v1 · 2021-11-09 · eess.SP · physics.app-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{E7WISMLUMRUAIXCL5ACSEH3WP6}

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	2026-07-05T03:30:20.075899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27ec8931746468045c4be805221f767fa7121e48684a1797d021fcbb1f188a92

Aliases

arxiv: 2111.04969 · arxiv_version: 2111.04969v1 · doi: 10.48550/arxiv.2111.04969 · pith_short_12: E7WISMLUMRUA · pith_short_16: E7WISMLUMRUAIXCL · pith_short_8: E7WISMLU

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/E7WISMLUMRUAIXCL5ACSEH3WP6 \
  | 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: 27ec8931746468045c4be805221f767fa7121e48684a1797d021fcbb1f188a92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "760ef2a4ccd2681f4b28dd4eaa381524f121fb5c5ae2d1221ff6ace99099c16d",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-11-09T07:01:28Z",
    "title_canon_sha256": "da03d00f41ca121f346cc525b0234ad60a95e16b83967622fbf3ba1cfeb7ed8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04969",
    "kind": "arxiv",
    "version": 1
  }
}