Pith Number

pith:T4FV4MLU

pith:2015:T4FV4MLUCMRNIZMTMSLUOYSTZV

not attested not anchored not stored refs pending

Binary phase oscillation of two mutually coupled semiconductor lasers

Daisuke Akamatsu, Kenta Takata, Naoto Namekata, Shoko Utsunomiya, Shuichiro Inoue, Yoshihisa Yamamoto

arxiv:1504.00432 v1 · 2015-04-02 · quant-ph · 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{T4FV4MLUCMRNIZMTMSLUOYSTZV}

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	2026-05-18T02:19:43.329675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f0b5e31741322d465936497476253cd74c0ead8f343e9482f39e7d7726bc4a3

Aliases

arxiv: 1504.00432 · arxiv_version: 1504.00432v1 · doi: 10.48550/arxiv.1504.00432 · pith_short_12: T4FV4MLUCMRN · pith_short_16: T4FV4MLUCMRNIZMT · pith_short_8: T4FV4MLU

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/T4FV4MLUCMRNIZMTMSLUOYSTZV \
  | 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: 9f0b5e31741322d465936497476253cd74c0ead8f343e9482f39e7d7726bc4a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b5388f641317a87bce6b311aa130c7198b096a95b18470c2b9ef780fd34de20",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-02T02:48:24Z",
    "title_canon_sha256": "1eb2411c89141e450411a92226fa378beed439c657a278560c6d5ea5d021609f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00432",
    "kind": "arxiv",
    "version": 1
  }
}