Pith Number

pith:K4ALY3WR

pith:2002:K4ALY3WRZVUOK5E62WRR6GWKRP

not attested not anchored not stored refs pending

Defect band-gap structures for triggering single-photon emission

Dirk-Gunnar Welsch, Ho Trung Dung, Ludwig Kn\"oll

arxiv:quant-ph/0210111 v1 · 2002-10-14 · 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{K4ALY3WRZVUOK5E62WRR6GWKRP}

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	2026-05-18T01:08:59.432993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5700bc6ed1cd68e5749ed5a31f1aca8bccb56d407c927bc532da4e7b1b13aa9a

Aliases

arxiv: quant-ph/0210111 · arxiv_version: quant-ph/0210111v1 · doi: 10.48550/arxiv.quant-ph/0210111 · pith_short_12: K4ALY3WRZVUO · pith_short_16: K4ALY3WRZVUOK5E6 · pith_short_8: K4ALY3WR

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/K4ALY3WRZVUOK5E62WRR6GWKRP \
  | 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: 5700bc6ed1cd68e5749ed5a31f1aca8bccb56d407c927bc532da4e7b1b13aa9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6b4c777080b7f81725e48c147ea7a17c3b3192a54fb7ee95c1de7a047bad263",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-10-14T15:46:04Z",
    "title_canon_sha256": "6383cfb9775c898a24e99cb4322731b049ff147510eb55da3ee6e9c47ac24126"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0210111",
    "kind": "arxiv",
    "version": 1
  }
}