Pith Number

pith:HERWPSIF

pith:2025:HERWPSIFZRXIFP7YPXDZM2DPUP

not attested not anchored not stored refs pending

Earthquake Distance and Magnitude Estimation via Calibrated Microwave Frequency Fiber Interferometry

Adonis Bogris, Andreas Fichtner, Charis Mesaritakis, Christos Simos, Iraklis Simos, Nikolaos S. Melis, Stavros Deligiannidis, Yuhan Wang

arxiv:2507.20551 v1 · 2025-07-28 · physics.optics · 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{HERWPSIFZRXIFP7YPXDZM2DPUP}

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	2026-07-05T11:44:21.435497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

392367c905cc6e82bff87dc796686fa3edc409cb81d272615a81b2edc16487ac

Aliases

arxiv: 2507.20551 · arxiv_version: 2507.20551v1 · doi: 10.48550/arxiv.2507.20551 · pith_short_12: HERWPSIFZRXI · pith_short_16: HERWPSIFZRXIFP7Y · pith_short_8: HERWPSIF

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/HERWPSIFZRXIFP7YPXDZM2DPUP \
  | 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: 392367c905cc6e82bff87dc796686fa3edc409cb81d272615a81b2edc16487ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7044a831b81d03e98a36968a383aa0e403c64e875a2ce5865b0dce7875eb16bf",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-07-28T06:32:38Z",
    "title_canon_sha256": "a869e1564bac4bc1d88df6d70ad28eb7c5c4772ae6a6477f7a9e3b890d250097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20551",
    "kind": "arxiv",
    "version": 1
  }
}