Pith Number

pith:G2MRQLLK

pith:2021:G2MRQLLKFWYM67OSGCXMLXPGA3

not attested not anchored not stored refs pending

Achievable Rates for Short-Reach Fiber-Optic Channels with Direct Detection

Daniel Plabst, Gerhard Kramer, Neboj\v{s}a Stojanovi\'c, Norbert Hanik, Stefano Calabr\`o, Talha Rahman, Thomas Wiegart, Tobias Prinz

arxiv:2111.07865 v4 · 2021-11-15 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G2MRQLLKFWYM67OSGCXMLXPGA3}

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	2026-07-05T04:06:01.060278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3699182d6a2db0cf7dd230aec5dde606cb74ca888b201c5bf022d0b3ad5186b4

Aliases

arxiv: 2111.07865 · arxiv_version: 2111.07865v4 · doi: 10.48550/arxiv.2111.07865 · pith_short_12: G2MRQLLKFWYM · pith_short_16: G2MRQLLKFWYM67OS · pith_short_8: G2MRQLLK

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/G2MRQLLKFWYM67OSGCXMLXPGA3 \
  | 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: 3699182d6a2db0cf7dd230aec5dde606cb74ca888b201c5bf022d0b3ad5186b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b578ad9f4150c3b90736ab5745abdfcebe7896416741464490e45c57f79161b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-11-15T16:08:27Z",
    "title_canon_sha256": "f9a479ba0606402a6ff7aeb9d7eec2f9d1659a59aa90cdafea7020abb3a01d7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07865",
    "kind": "arxiv",
    "version": 4
  }
}