pith. sign in
Pith Number

pith:YJPQRING

pith:2013:YJPQRINGRXHHP3ZSJLAW7TCRHW
not attested not anchored not stored refs pending

Enhanced ULF electromagnetic activity detected by DEMETER above seismogenic regions

C. David, G. Anagnostopoulos, G. Machairidis, M. Athanasiou

arxiv:1302.6680 v1 · 2013-02-27 · physics.geo-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YJPQRINGRXHHP3ZSJLAW7TCRHW}

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 2026-05-18T03:32:19.136248Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c25f08a1a68dce77ef324ac16fcc513d9baec114e85bcad688af14546d5e549a

Aliases

arxiv: 1302.6680 · arxiv_version: 1302.6680v1 · doi: 10.48550/arxiv.1302.6680 · pith_short_12: YJPQRINGRXHH · pith_short_16: YJPQRINGRXHHP3ZS · pith_short_8: YJPQRING
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YJPQRINGRXHHP3ZSJLAW7TCRHW \
  | 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: c25f08a1a68dce77ef324ac16fcc513d9baec114e85bcad688af14546d5e549a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f4b1aa88fd513886350d5700f270a44ac159cd2d9f6f01cc94e5a5b8bdc8e7c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2013-02-27T07:01:28Z",
    "title_canon_sha256": "325a08c44b912bae2f805647d8bc032df2524d61c040b30a2cf20c99a448ab2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6680",
    "kind": "arxiv",
    "version": 1
  }
}