Pith Number

pith:UGCNY5D3

pith:2000:UGCNY5D3WOXGUVF2GDQMT6O472

not attested not anchored not stored refs pending

Coupled cavities for enhancing the cross-phase modulation in electromagnetically induced transparency

D.-G. Welsch, T. Opatrny

arxiv:quant-ph/0012073 v2 · 2000-12-15 · 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{UGCNY5D3WOXGUVF2GDQMT6O472}

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	2026-07-04T16:23:05.824847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a184dc747bb3ae6a54ba30e0c9f9dcfe863f68e4eec7ba04be7f3d5c8697cd9c

Aliases

arxiv: quant-ph/0012073 · arxiv_version: quant-ph/0012073v2 · doi: 10.48550/arxiv.quant-ph/0012073 · pith_short_12: UGCNY5D3WOXG · pith_short_16: UGCNY5D3WOXGUVF2 · pith_short_8: UGCNY5D3

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/UGCNY5D3WOXGUVF2GDQMT6O472 \
  | 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: a184dc747bb3ae6a54ba30e0c9f9dcfe863f68e4eec7ba04be7f3d5c8697cd9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a5987e645f8344813d57b2206593ffec26552f2d5d83a691436328477b3562d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-12-15T11:55:52Z",
    "title_canon_sha256": "9f699406e210d86cec882cb445f36ec53b543860891eb38a5aecbde3aa93a6ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0012073",
    "kind": "arxiv",
    "version": 2
  }
}