Pith Number

pith:WC3DZBLE

pith:2000:WC3DZBLE5J7T4IDAF77KFFIRUK

not attested not anchored not stored refs pending

Slow light in moving media

P. Piwnicki, U. Leonhardt

arxiv:physics/0009093 v1 · 2000-09-28 · physics.optics · physics.gen-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{WC3DZBLE5J7T4IDAF77KFFIRUK}

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	2026-05-18T01:38:11.372204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b63c8564ea7f3e20602ffea29511a2a01a9e4f8f7c479ada1f907666ecf1b0

Aliases

arxiv: physics/0009093 · arxiv_version: physics/0009093v1 · doi: 10.48550/arxiv.physics/0009093 · pith_short_12: WC3DZBLE5J7T · pith_short_16: WC3DZBLE5J7T4IDA · pith_short_8: WC3DZBLE

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/WC3DZBLE5J7T4IDAF77KFFIRUK \
  | 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: b0b63c8564ea7f3e20602ffea29511a2a01a9e4f8f7c479ada1f907666ecf1b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92342a9edc41c72a345ec6894e8be7abda3fb78c1d98666401903b846c6336ab",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2000-09-28T16:18:46Z",
    "title_canon_sha256": "6e8c6a6c65e430baa4226d7dca0ef68067ade9ee0bfd67bc1fb4a3fa33d47537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0009093",
    "kind": "arxiv",
    "version": 1
  }
}