Pith Number

pith:TDU57GBV

pith:2018:TDU57GBVNOXRM7YW66HJGIWENJ

not attested not anchored not stored refs pending

A Survey on High-Capacity OFDM-based Passive Optical Networks

Elias Giacoumidis, Gobi Vetharatnam, Hossein Rouzegar, Mohammad Ghanbarisabagh, Nasreddine Mallouki

arxiv:1812.04692 v1 · 2018-11-09 · eess.SP · 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{TDU57GBVNOXRM7YW66HJGIWENJ}

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	2026-05-17T23:58:29.823956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98e9df98356baf167f16f78e9322c46a6d605a2f71ea45da279711b8c8036ae8

Aliases

arxiv: 1812.04692 · arxiv_version: 1812.04692v1 · doi: 10.48550/arxiv.1812.04692 · pith_short_12: TDU57GBVNOXR · pith_short_16: TDU57GBVNOXRM7YW · pith_short_8: TDU57GBV

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/TDU57GBVNOXRM7YW66HJGIWENJ \
  | 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: 98e9df98356baf167f16f78e9322c46a6d605a2f71ea45da279711b8c8036ae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bc540af01fbd67cf2a4597711a60bd7a3d7b525daa51a8787ad331199933b12",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-11-09T14:49:09Z",
    "title_canon_sha256": "7aa9b60729e4944b21c52e6ab835a6b558442e7570bc22d37d51559deac9f238"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04692",
    "kind": "arxiv",
    "version": 1
  }
}