Pith Number

pith:BYHZSY4F

pith:2018:BYHZSY4FZPTNMXBQCBZ6SSAIRR

not attested not anchored not stored refs pending

Regional Seismic Information Entropy for Detecting Precursors of Earthquake Activation

Yukio Ohsawa

arxiv:1809.09502 v2 · 2018-09-25 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYHZSY4FZPTNMXBQCBZ6SSAIRR}

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	2026-05-18T00:01:16.342417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e0f996385cbe6d65c301073e948088c5b62e76422ea70a2c53531cb3995b093

Aliases

arxiv: 1809.09502 · arxiv_version: 1809.09502v2 · doi: 10.48550/arxiv.1809.09502 · pith_short_12: BYHZSY4FZPTN · pith_short_16: BYHZSY4FZPTNMXBQ · pith_short_8: BYHZSY4F

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/BYHZSY4FZPTNMXBQCBZ6SSAIRR \
  | 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: 0e0f996385cbe6d65c301073e948088c5b62e76422ea70a2c53531cb3995b093

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76b445f8ac7a4e00418314570d983904ce9646f470eca015778e5bfafc3ddc7c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-09-25T14:04:29Z",
    "title_canon_sha256": "68d30ee6c93f83245c48df9b0e3ac7cb4a479679a67b9d1d79f3f95f66a30d09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09502",
    "kind": "arxiv",
    "version": 2
  }
}