Pith Number

pith:PREBHH55

pith:2002:PREBHH55WWTINYMEWQF2OAGHMB

not attested not anchored not stored refs pending

Optical feedback and the coupling problem in semiconductor microdisk lasers

Jens U. Nockel

arxiv:physics/0203062 v1 · 2002-03-20 · 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{PREBHH55WWTINYMEWQF2OAGHMB}

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	2026-05-18T01:38:09.347033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c48139fbdb5a686e184b40ba700c76044eebf901b2fc22afc0a0dec6a282903

Aliases

arxiv: physics/0203062 · arxiv_version: physics/0203062v1 · doi: 10.48550/arxiv.physics/0203062 · pith_short_12: PREBHH55WWTI · pith_short_16: PREBHH55WWTINYME · pith_short_8: PREBHH55

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/PREBHH55WWTINYMEWQF2OAGHMB \
  | 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: 7c48139fbdb5a686e184b40ba700c76044eebf901b2fc22afc0a0dec6a282903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91fe08d73b2d63f47767e6acd98c7e0dc436d1333e1a893bbd4702e15dbd277c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2002-03-20T23:35:31Z",
    "title_canon_sha256": "30210c39d3f1a58fdfb34ba46f9f86824c041c7736d24aef2c44671dd3f2e60a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0203062",
    "kind": "arxiv",
    "version": 1
  }
}