Pith Number

pith:SOLW3XFH

pith:2019:SOLW3XFHASMYYFJDJ4JQ6LZAHW

not attested not anchored not stored refs pending

Deep learning for magnitude prediction in earthquake early warning

Jingyan Lan, Yanwei Wang, Zhenzhong Cao, Zifa Wang

arxiv:1912.05531 v2 · 2019-12-02 · physics.geo-ph · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOLW3XFHASMYYFJDJ4JQ6LZAHW}

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	2026-07-05T01:16:31.973431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93976ddca704998c15234f130f2f203dae09901ba183b3ea373a27340b24c45d

Aliases

arxiv: 1912.05531 · arxiv_version: 1912.05531v2 · doi: 10.48550/arxiv.1912.05531 · pith_short_12: SOLW3XFHASMY · pith_short_16: SOLW3XFHASMYYFJD · pith_short_8: SOLW3XFH

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/SOLW3XFHASMYYFJDJ4JQ6LZAHW \
  | 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: 93976ddca704998c15234f130f2f203dae09901ba183b3ea373a27340b24c45d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b77aa4ae49e1f2cd150e5086290e0598434fc460b2aaf6a81f83f8ffc4ac109f",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2019-12-02T09:30:34Z",
    "title_canon_sha256": "f98a01580fdc9ec5739762e43d5655e79ee4131d69e79cec9b571034e9ed4169"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.05531",
    "kind": "arxiv",
    "version": 2
  }
}