Pith Number

pith:G7KWROX4

pith:2012:G7KWROX4GNCFOQ447Q36X6TBQP

not attested not anchored not stored refs pending

Extended axion electrodynamics: Optical activity induced by nonstationary dark matter

A.B. Balakin, N.O. Tarasova

arxiv:1201.3010 v1 · 2012-01-14 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G7KWROX4GNCFOQ447Q36X6TBQP}

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	2026-05-18T04:01:49.248774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37d568bafc334457439cfc37ebfa6183c5fe9533509efb785e33a7464533a9b3

Aliases

arxiv: 1201.3010 · arxiv_version: 1201.3010v1 · doi: 10.48550/arxiv.1201.3010 · pith_short_12: G7KWROX4GNCF · pith_short_16: G7KWROX4GNCFOQ44 · pith_short_8: G7KWROX4

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/G7KWROX4GNCFOQ447Q36X6TBQP \
  | 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: 37d568bafc334457439cfc37ebfa6183c5fe9533509efb785e33a7464533a9b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3431c2d65c5e5f34e85e88a4ac0bea2a21c06600a9cb4b17e4f3b13c8a026277",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-01-14T12:46:27Z",
    "title_canon_sha256": "ec0cfbfda5c592cb01d9ba3896c8a0bf200b28fecaa93582bcea3dd0ce112073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3010",
    "kind": "arxiv",
    "version": 1
  }
}