Pith Number

pith:QH6CYRPJ

pith:2018:QH6CYRPJC3E6QBVPJV34EBC2XC

not attested not anchored not stored refs pending

Early Earthquake Detection with a Dual Torsion-Beam Gravimeter

B. J. J. Slagmolen, D. A. Shaddock, D. E. McClelland, D. J. McManus, N. A. Holland, P. W. F. Forsyth, R. L. Ward

arxiv:1809.04787 v1 · 2018-09-13 · physics.ins-det · 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{QH6CYRPJC3E6QBVPJV34EBC2XC}

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	2026-05-18T00:05:49.634261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81fc2c45e916c9e806af4d77c2045ab8aab12b9b5c433f4452e27bf06365b7e9

Aliases

arxiv: 1809.04787 · arxiv_version: 1809.04787v1 · doi: 10.48550/arxiv.1809.04787 · pith_short_12: QH6CYRPJC3E6 · pith_short_16: QH6CYRPJC3E6QBVP · pith_short_8: QH6CYRPJ

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/QH6CYRPJC3E6QBVPJV34EBC2XC \
  | 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: 81fc2c45e916c9e806af4d77c2045ab8aab12b9b5c433f4452e27bf06365b7e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12f039de8ad8a144d469306ceb342d00946839b256850a35e0f05136c497b36b",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2018-09-13T05:50:35Z",
    "title_canon_sha256": "87881959f5ae0574a22a39b159dba8a5a7e08b3621aaa3e87606272b6874d1c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04787",
    "kind": "arxiv",
    "version": 1
  }
}