Pith Number

pith:EFPEKYJK

pith:2007:EFPEKYJKSUTA7BYFKPU4YWAORV

not attested not anchored not stored refs pending

Momentum of an electromagnetic wave in dielectric media

Halina Rubinsztein-Dunlop, Norman R. Heckenberg, Robert N. C. Pfeifer, Timo A. Nieminen

arxiv:0710.0461 v2 · 2007-10-02 · physics.class-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{EFPEKYJKSUTA7BYFKPU4YWAORV}

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	2026-05-18T02:35:30.243027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215e45612a95260f870553e9cc580e8d483ebb37d632ed4b040430730465a220

Aliases

arxiv: 0710.0461 · arxiv_version: 0710.0461v2 · doi: 10.48550/arxiv.0710.0461 · pith_short_12: EFPEKYJKSUTA · pith_short_16: EFPEKYJKSUTA7BYF · pith_short_8: EFPEKYJK

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/EFPEKYJKSUTA7BYFKPU4YWAORV \
  | 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: 215e45612a95260f870553e9cc580e8d483ebb37d632ed4b040430730465a220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87eeed90527f9c003af1cd3c2de65276e2893e6381ad516c5e38ec29004736f2",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2007-10-02T08:36:22Z",
    "title_canon_sha256": "cc4c4dff670e2fa514257414c311e55398e309100c89eddb9f6183af742c2d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.0461",
    "kind": "arxiv",
    "version": 2
  }
}