Pith Number

pith:5GNC4ILL

pith:2020:5GNC4ILLB2D2KAEPAZGNSEZVF5

not attested not anchored not stored refs pending

Solutions for 80 km DWDM Systems

Annika Dochhan, Helmut Griesser, J\"org-Peter Elbers, Michael Eiselt

arxiv:2009.10570 v1 · 2020-09-22 · 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{5GNC4ILLB2D2KAEPAZGNSEZVF5}

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	2026-07-05T01:37:20.521692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e99a2e216b0e87a5008f064cd913352f7a4d3d0c1d059807f3d1cf85f821b930

Aliases

arxiv: 2009.10570 · arxiv_version: 2009.10570v1 · doi: 10.48550/arxiv.2009.10570 · pith_short_12: 5GNC4ILLB2D2 · pith_short_16: 5GNC4ILLB2D2KAEP · pith_short_8: 5GNC4ILL

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/5GNC4ILLB2D2KAEPAZGNSEZVF5 \
  | 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: e99a2e216b0e87a5008f064cd913352f7a4d3d0c1d059807f3d1cf85f821b930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "befb231f20fe6ebe53bdfe58c30f547c8645b4f1779ff0825ac6f17df6ecc9db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-09-22T14:21:05Z",
    "title_canon_sha256": "6ab5b7d1e58fc9041595241297a8edda78a9b4e9b8ea3873d4561a80b9685bae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.10570",
    "kind": "arxiv",
    "version": 1
  }
}