Pith Number

pith:OSIXZ4L7

pith:2012:OSIXZ4L7A4FHT75RVZRUC2YI23

not attested not anchored not stored refs pending

Buried heterostructure vertical-cavity surface-emitting laser with semiconductor mirrors

A. Muller, D.G. Deppe, G. Zhao, K. Konthasinghe, Y. Zhang

arxiv:1208.5135 v1 · 2012-08-25 · physics.optics · cond-mat.mtrl-sci · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSIXZ4L7A4FHT75RVZRUC2YI23}

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	2026-05-18T01:54:58.282231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74917cf17f070a79ffb1ae63416b08d6f18a5a8185b62d48fbf37b666f120e93

Aliases

arxiv: 1208.5135 · arxiv_version: 1208.5135v1 · doi: 10.48550/arxiv.1208.5135 · pith_short_12: OSIXZ4L7A4FH · pith_short_16: OSIXZ4L7A4FHT75R · pith_short_8: OSIXZ4L7

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/OSIXZ4L7A4FHT75RVZRUC2YI23 \
  | 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: 74917cf17f070a79ffb1ae63416b08d6f18a5a8185b62d48fbf37b666f120e93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad3eedf7ef430d6a7048c51e7840f76808627bd553077df23d3380ac91362f6",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-08-25T13:56:42Z",
    "title_canon_sha256": "c5a6eb26d3f0284ee0cada3b49ea437f9a2aa9ce38e3f824c69aae6e0dd2684c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5135",
    "kind": "arxiv",
    "version": 1
  }
}