Pith Number

pith:GNZPFYKA

pith:2025:GNZPFYKAOWXTWDF752ZHU3LFKE

not attested not anchored not stored refs pending

Inter-event time statistics of earthquakes as a gauge of volcano activity

Anca Opris, Sumanta Kundu, Takahiro Hatano, Yosuke Aoki

arxiv:2506.09203 v1 · 2025-06-10 · physics.geo-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{GNZPFYKAOWXTWDF752ZHU3LFKE}

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	2026-07-05T11:19:33.173414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3372f2e14075af3b0cbfeeb27a6d65513cf2d33cb3d964e3e282153d0644e118

Aliases

arxiv: 2506.09203 · arxiv_version: 2506.09203v1 · doi: 10.48550/arxiv.2506.09203 · pith_short_12: GNZPFYKAOWXT · pith_short_16: GNZPFYKAOWXTWDF7 · pith_short_8: GNZPFYKA

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/GNZPFYKAOWXTWDF752ZHU3LFKE \
  | 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: 3372f2e14075af3b0cbfeeb27a6d65513cf2d33cb3d964e3e282153d0644e118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f8a38d5c24b92cb98f15c9df4fd8dc15ddd4b96d6a9a8601ea40f42519f00e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2025-06-10T19:48:58Z",
    "title_canon_sha256": "52dbeebd002a0ae20066e0a49d78f628c59a3980cadea5657370fbb847d4b6f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.09203",
    "kind": "arxiv",
    "version": 1
  }
}