Pith Number

pith:LU4KJSKN

pith:2020:LU4KJSKN4A2E5TLM4PYXWL4SSX

not attested not anchored not stored refs pending

Permittivity and permeability of epoxy-magnetite powder composites at microwave frequencies

Alessandro Simonetto, Mario Zannoni, Michael Jones, Tommaso Ghigna

arxiv:2001.02336 v1 · 2020-01-08 · physics.app-ph · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LU4KJSKN4A2E5TLM4PYXWL4SSX}

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	2026-07-05T00:35:54.630210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d38a4c94de0344ecd6ce3f17b2f9295d2c95883114c7f68e82af9b8116b8efb

Aliases

arxiv: 2001.02336 · arxiv_version: 2001.02336v1 · doi: 10.48550/arxiv.2001.02336 · pith_short_12: LU4KJSKN4A2E · pith_short_16: LU4KJSKN4A2E5TLM · pith_short_8: LU4KJSKN

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/LU4KJSKN4A2E5TLM4PYXWL4SSX \
  | 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: 5d38a4c94de0344ecd6ce3f17b2f9295d2c95883114c7f68e82af9b8116b8efb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53dad069629997bda267313a66320328453da5ae6934b098aa4308e40f081e10",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-01-08T01:52:06Z",
    "title_canon_sha256": "39181891eb26a53850ecef8ff94419f27625e26019aba9f2777f7871192c8fab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.02336",
    "kind": "arxiv",
    "version": 1
  }
}