Pith Number

pith:M3T5YYDS

pith:2009:M3T5YYDSKSLUD7J2XKKYZW5S3U

not attested not anchored not stored refs pending

Universal Electromagnetic Waves in Dielectric

Vasily E. Tarasov

arxiv:0907.2163 v1 · 2009-07-13 · physics.optics · physics.class-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{M3T5YYDSKSLUD7J2XKKYZW5S3U}

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	2026-05-18T02:23:48.324582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66e7dc6072549741fd3aba958cdbb2dd317060cb25143c28a458857f65f85af3

Aliases

arxiv: 0907.2163 · arxiv_version: 0907.2163v1 · doi: 10.48550/arxiv.0907.2163 · pith_short_12: M3T5YYDSKSLU · pith_short_16: M3T5YYDSKSLUD7J2 · pith_short_8: M3T5YYDS

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/M3T5YYDSKSLUD7J2XKKYZW5S3U \
  | 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: 66e7dc6072549741fd3aba958cdbb2dd317060cb25143c28a458857f65f85af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29fc9ff5046e76433d0640a7a1a708d404e622a0261f51427f0186edd1a48c2a",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-07-13T13:43:02Z",
    "title_canon_sha256": "d83c2303b46cfb3c7f2ffa336ebf1ef1f99c81cbb1076876dcc9cc6979e59066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2163",
    "kind": "arxiv",
    "version": 1
  }
}