Pith Number

pith:WAYS5J53

pith:2017:WAYS5J53MWV4ORMK4CBVJASUK4

not attested not anchored not stored refs pending

Non-minimal Einstein-Maxwell theory: the Fresnel equation and the Petrov classification of a trace-free susceptibility tensor

Alexander B. Balakin, Alexei E. Zayats

arxiv:1710.08013 v2 · 2017-10-22 · gr-qc · hep-th · 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{WAYS5J53MWV4ORMK4CBVJASUK4}

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	2026-05-18T00:23:52.768769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0312ea7bb65abc7458ae083548254570dd34e19631dd0c5d5d48bae505b8249

Aliases

arxiv: 1710.08013 · arxiv_version: 1710.08013v2 · doi: 10.48550/arxiv.1710.08013 · pith_short_12: WAYS5J53MWV4 · pith_short_16: WAYS5J53MWV4ORMK · pith_short_8: WAYS5J53

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/WAYS5J53MWV4ORMK4CBVJASUK4 \
  | 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: b0312ea7bb65abc7458ae083548254570dd34e19631dd0c5d5d48bae505b8249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "883d0ee1b09c54c1813895de6047521a39bef53088ee757fbea8ed2e1bba4fca",
    "cross_cats_sorted": [
      "hep-th",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-10-22T21:00:30Z",
    "title_canon_sha256": "2fda649f343ac305e93b2ad8eb12aee6bae768d2ffc5af0a03df7248f50756b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08013",
    "kind": "arxiv",
    "version": 2
  }
}