Pith Number

pith:ASFRQSZF

pith:2021:ASFRQSZFMOBI55WYLC5EGC7H6P

not attested not anchored not stored refs pending

DNN-assisted optical geometric constellation shaped PSK modulation for PAM4-to-QPSK format conversion gateway node

David S. Millar, Keisuke Kojima, Kieran Parsons, Takahiro Kodama, Toshiaki Koike-Akino

arxiv:2102.13474 v1 · 2021-02-23 · 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{ASFRQSZFMOBI55WYLC5EGC7H6P}

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	2026-07-05T04:11:24.056481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

048b184b2563828ef6d858ba430be7f3e37c61b56a60da5c0a95d186d12c14a7

Aliases

arxiv: 2102.13474 · arxiv_version: 2102.13474v1 · doi: 10.48550/arxiv.2102.13474 · pith_short_12: ASFRQSZFMOBI · pith_short_16: ASFRQSZFMOBI55WY · pith_short_8: ASFRQSZF

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/ASFRQSZFMOBI55WYLC5EGC7H6P \
  | 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: 048b184b2563828ef6d858ba430be7f3e37c61b56a60da5c0a95d186d12c14a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66913c28da92daf65f7292fddbb45c0266b6681ac2d5bdf561a862bd91b2d285",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-02-23T14:24:37Z",
    "title_canon_sha256": "8d02d3af71520c0386de5e63e1067abca37f81bf2ed62ab3324970111fad30b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13474",
    "kind": "arxiv",
    "version": 1
  }
}