Pith Number

pith:6QKCI4SC

pith:2021:6QKCI4SCH3SQYH42P4ATBOOTA6

not attested not anchored not stored refs pending

Turbulence-Resilient Coherent Free-Space Optical Communications using Automatic Power-Efficient Pilot-Assisted Optoelectronic Beam Mixing of Many Modes

Ahmed Almaiman, Alan E. Willner, Amir Minoofar, Brittany Lynn, Cong Liu, Haoqian Song, Hao Song, Huibin Zhou, Kaiheng Zou, Kai Pang, Karapet Manukyan, Moshe Tur, Nanzhe Hu, Robert W. Boyd, Runzhou Zhang, Xinzhou Su, Yiyu Zhou, Zhe Zhao

arxiv:2101.09967 v1 · 2021-01-25 · physics.optics · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QKCI4SCH3SQYH42P4ATBOOTA6}

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	2026-07-05T02:09:24.298225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4142472423ee50c1f9a7f0130b9d307adfd11c49974b7f35b8281c2905f625f

Aliases

arxiv: 2101.09967 · arxiv_version: 2101.09967v1 · doi: 10.48550/arxiv.2101.09967 · pith_short_12: 6QKCI4SCH3SQ · pith_short_16: 6QKCI4SCH3SQYH42 · pith_short_8: 6QKCI4SC

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/6QKCI4SCH3SQYH42P4ATBOOTA6 \
  | 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: f4142472423ee50c1f9a7f0130b9d307adfd11c49974b7f35b8281c2905f625f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82fd764938420f3cac2e3b49843989d24474f4b88109ec5441eabf71b69f21ed",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-01-25T09:16:13Z",
    "title_canon_sha256": "c684b6732e542e1fda14a9a766a86cf9a2bfef90ee5651a4f0b24e5f25afdb3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09967",
    "kind": "arxiv",
    "version": 1
  }
}