Pith Number

pith:4R7QPUI5

pith:2002:4R7QPUI5F36VAKVXLRNX6PH3WU

not attested not anchored not stored refs pending

Electromagnetically induced transparency and reduced speeds for single photons in a fully quantized model

Martin Ligare, Thomas Purdy

arxiv:quant-ph/0204173 v1 · 2002-04-30 · quant-ph · 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{4R7QPUI5F36VAKVXLRNX6PH3WU}

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	2026-05-18T00:16:24.338263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e47f07d11d2efd502ab75c5b7f3cfbb526bab950095069c6190dd12d44dd7993

Aliases

arxiv: quant-ph/0204173 · arxiv_version: quant-ph/0204173v1 · doi: 10.48550/arxiv.quant-ph/0204173 · pith_short_12: 4R7QPUI5F36V · pith_short_16: 4R7QPUI5F36VAKVX · pith_short_8: 4R7QPUI5

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/4R7QPUI5F36VAKVXLRNX6PH3WU \
  | 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: e47f07d11d2efd502ab75c5b7f3cfbb526bab950095069c6190dd12d44dd7993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4af7183f090299f7ff99fed696f9616af971bb9670182f04c20b20d4c4f2b153",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-04-30T17:36:20Z",
    "title_canon_sha256": "22e8dae09f8b14511baac6fc3e2a819ba74a6900589bb00ad9b1caf4d1fcf519"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0204173",
    "kind": "arxiv",
    "version": 1
  }
}