Pith Number

pith:LWR4FYBN

pith:1999:LWR4FYBNI6OWVLUX35D4KFW2S3

not attested not anchored not stored refs pending

Relativistic Effects of Light in Moving Media with Extremely Low Group Velocity

P. Piwnicki, U. Leonhardt

arxiv:cond-mat/9906332 v3 · 1999-06-22 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWR4FYBNI6OWVLUX35D4KFW2S3}

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.

Cited by

2 papers in Pith

The G\"odel Universe as a Superconductor

Receipt and verification

First computed	2026-07-04T16:12:51.000692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5da3c2e02d479d6aae97df47c516da96fda46ce87a16ad7018553dd727ab8212

Aliases

arxiv: cond-mat/9906332 · arxiv_version: cond-mat/9906332v3 · doi: 10.48550/arxiv.cond-mat/9906332 · pith_short_12: LWR4FYBNI6OW · pith_short_16: LWR4FYBNI6OWVLUX · pith_short_8: LWR4FYBN

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/LWR4FYBNI6OWVLUX35D4KFW2S3 \
  | 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: 5da3c2e02d479d6aae97df47c516da96fda46ce87a16ad7018553dd727ab8212

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb0c84aae47d97ed4e53df7074512c18b7e4c9d5362ce02fc6f0fcb70ae472b4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "1999-06-22T12:36:59Z",
    "title_canon_sha256": "7523fe008d0351dafc8e7ed8e6fec944b6922f3723f72ff5f106c7352242fef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9906332",
    "kind": "arxiv",
    "version": 3
  }
}