Pith Number

pith:WT5HF6OS

pith:2016:WT5HF6OSTVOPADOHNS7IPOPWTQ

not attested not anchored not stored refs pending

Software-Defined Silicon Photonics based Metro Node for Spatial and Wavelength Superchannel Switching

Alexander Gazman, Aravind P. Anthur, Colm Browning, Keren Bergman, Liam P. Barry, M. Deseada Gutierrez Pascual, Vidak Vujicic, Ziyi Zhu

arxiv:1612.00272 v3 · 2016-11-29 · 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{WT5HF6OSTVOPADOHNS7IPOPWTQ}

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	2026-05-18T00:51:02.872983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4fa72f9d29d5cf00dc76cbe87b9f69c36053405048e6c94048f07baa7e8ad02

Aliases

arxiv: 1612.00272 · arxiv_version: 1612.00272v3 · doi: 10.48550/arxiv.1612.00272 · pith_short_12: WT5HF6OSTVOP · pith_short_16: WT5HF6OSTVOPADOH · pith_short_8: WT5HF6OS

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/WT5HF6OSTVOPADOHNS7IPOPWTQ \
  | 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: b4fa72f9d29d5cf00dc76cbe87b9f69c36053405048e6c94048f07baa7e8ad02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "276f0bee400fd475c288a66a5ab18233b424e07f3a440989cd669ab7f7797975",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2016-11-29T10:11:32Z",
    "title_canon_sha256": "d8cba9743b4dd4810435ba44d0a3847264949171c33cd2f8cbc018c61bef4dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00272",
    "kind": "arxiv",
    "version": 3
  }
}