Pith Number

pith:EKHZ2IK4

pith:2018:EKHZ2IK4WMMQDSAHOAEP4UQM4N

not attested not anchored not stored refs pending

Exceptional Points in Two Dissimilar Coupled Diode Lasers

Anastassios Bountis, Kent D. Choquette, Vassilios Kovanis, Yannis Kominis

arxiv:1806.01098 v1 · 2018-06-04 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKHZ2IK4WMMQDSAHOAEP4UQM4N}

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	2026-05-18T00:07:27.574740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

228f9d215cb31901c8077008fe520ce35804d4228380bbb5663c7a4bb5930509

Aliases

arxiv: 1806.01098 · arxiv_version: 1806.01098v1 · doi: 10.48550/arxiv.1806.01098 · pith_short_12: EKHZ2IK4WMMQ · pith_short_16: EKHZ2IK4WMMQDSAH · pith_short_8: EKHZ2IK4

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/EKHZ2IK4WMMQDSAHOAEP4UQM4N \
  | 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: 228f9d215cb31901c8077008fe520ce35804d4228380bbb5663c7a4bb5930509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57459412ca85cad36e5f8b31d1eb7049bddb33c9cda063b6d3b5e9d90b4307c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-06-04T13:36:19Z",
    "title_canon_sha256": "fc1a7af5ad704ad246f01e3bb08cbf6761341adced588cbadd53bbf1549e2eef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01098",
    "kind": "arxiv",
    "version": 1
  }
}