Pith Number

pith:RTZAMY4C

pith:2003:RTZAMY4C72T6MEJ4FMZQD5DK3X

not attested not anchored not stored refs pending

Electromagnetic-field quantization and spontaneous decay in left-handed media

Dirk-Gunnar Welsch, Ho Trung Dung, Ludwig Kn\"oll, Stefan Scheel, Stefan Yoshi Buhmann

arxiv:quant-ph/0306028 v1 · 2003-06-04 · 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{RTZAMY4C72T6MEJ4FMZQD5DK3X}

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	2026-05-18T01:08:59.348153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cf2066382fea7e6113c2b3301f46addd8b044c20e5cf6d4b6d92d5e3f5139dd

Aliases

arxiv: quant-ph/0306028 · arxiv_version: quant-ph/0306028v1 · doi: 10.48550/arxiv.quant-ph/0306028 · pith_short_12: RTZAMY4C72T6 · pith_short_16: RTZAMY4C72T6MEJ4 · pith_short_8: RTZAMY4C

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/RTZAMY4C72T6MEJ4FMZQD5DK3X \
  | 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: 8cf2066382fea7e6113c2b3301f46addd8b044c20e5cf6d4b6d92d5e3f5139dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb86da13beb6d7928878c509c98231f56699cc7fbdcffa7f091c33323c83af93",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-06-04T10:35:44Z",
    "title_canon_sha256": "e05aee9eb4855363bb27d9fd240dcf84b4b97dfd7532d23dafd6c0fd8e064b15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0306028",
    "kind": "arxiv",
    "version": 1
  }
}