Pith Number

pith:42X74EQZ

pith:2020:42X74EQZCE7LSCIZ7VOG7HYQXO

not attested not anchored not stored refs pending

Maximal Interaction of Electromagnetic Radiation with Corona-Virions

Ari Sihvola, Constantinos Valagiannopoulos

arxiv:2007.13598 v1 · 2020-07-27 · physics.app-ph · physics.med-ph · physics.optics · physics.soc-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{42X74EQZCE7LSCIZ7VOG7HYQXO}

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	2026-07-05T02:09:43.827454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6affe1219113eb90919fd5c6f9f10bbbc214fae0f5ddd4acecefcb43d11e57a

Aliases

arxiv: 2007.13598 · arxiv_version: 2007.13598v1 · doi: 10.48550/arxiv.2007.13598 · pith_short_12: 42X74EQZCE7L · pith_short_16: 42X74EQZCE7LSCIZ · pith_short_8: 42X74EQZ

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/42X74EQZCE7LSCIZ7VOG7HYQXO \
  | 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: e6affe1219113eb90919fd5c6f9f10bbbc214fae0f5ddd4acecefcb43d11e57a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f4ce619db76a604486b8c77c64b1df58ed8d84e8ea3a1f5f2601d53bd969c9e",
    "cross_cats_sorted": [
      "physics.med-ph",
      "physics.optics",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-07-27T14:30:57Z",
    "title_canon_sha256": "b16a2a5757704595a4947596da2992e10c6ff2bc2520c15e3400b762d5db4941"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.13598",
    "kind": "arxiv",
    "version": 1
  }
}