Pith Number

pith:P4SGWKYO

pith:2013:P4SGWKYO2UGBQC3SWAGWLNLF3P

not attested not anchored not stored refs pending

Two novel methods for studying lowest frequency Earth oscillations before earthquakes

Michael A. Phillips, Randall D. Peters

arxiv:1402.3203 v1 · 2013-10-28 · physics.gen-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{P4SGWKYO2UGBQC3SWAGWLNLF3P}

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	2026-05-18T02:59:07.264767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f246b2b0ed50c180b72b00d65b565dbc979c6eab23ed3c7496530b082215611

Aliases

arxiv: 1402.3203 · arxiv_version: 1402.3203v1 · doi: 10.48550/arxiv.1402.3203 · pith_short_12: P4SGWKYO2UGB · pith_short_16: P4SGWKYO2UGBQC3S · pith_short_8: P4SGWKYO

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/P4SGWKYO2UGBQC3SWAGWLNLF3P \
  | 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: 7f246b2b0ed50c180b72b00d65b565dbc979c6eab23ed3c7496530b082215611

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a1b0c828b41e5305dc6d26c93926e97d74ee8af94bf30cd4d05c80a3e9dc4de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2013-10-28T10:52:30Z",
    "title_canon_sha256": "a4c1592dd7316b800c4fab001f02626311de62486ba59b761364ef63e3b36b5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3203",
    "kind": "arxiv",
    "version": 1
  }
}