Pith Number

pith:NT5MZN3U

pith:2021:NT5MZN3UT7KUUZLPE2BHSX4JSF

not attested not anchored not stored refs pending

Optimized Passive Optical Networks with Cascaded-AWGRs for Data Centers

Barzan Yosuf, Jaafar M. H. Elmirghani, Mohammed Alharthi, Sanaa H. Mohamed, Taisir E. H. El-Gorashi

arxiv:2111.01263 v1 · 2021-11-01 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NT5MZN3UT7KUUZLPE2BHSX4JSF}

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	2026-07-05T03:28:00.910650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cfaccb7749fd54a656f2682795f89914cd755cf9ef39da360c23919e7363847

Aliases

arxiv: 2111.01263 · arxiv_version: 2111.01263v1 · doi: 10.48550/arxiv.2111.01263 · pith_short_12: NT5MZN3UT7KU · pith_short_16: NT5MZN3UT7KUUZLP · pith_short_8: NT5MZN3U

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/NT5MZN3UT7KUUZLPE2BHSX4JSF \
  | 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: 6cfaccb7749fd54a656f2682795f89914cd755cf9ef39da360c23919e7363847

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cd51cb6e8c8a4c2eb1d6ee5b6c04588b337078964d438dc0e284254244471b7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2021-11-01T21:13:52Z",
    "title_canon_sha256": "78aef4a5f7c0172ceae1faf08e1468da70040d4a757e78ea661451798c55a325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01263",
    "kind": "arxiv",
    "version": 1
  }
}