Pith Number

pith:WQNZNQHC

pith:2017:WQNZNQHC35JAKU75SXRUQOXN6E

not attested not anchored not stored refs pending

Seismology with optical links: enabling a global network for submarine earthquake monitoring

Alberto Mura, Andr\'e Xuereb, Anna Tampellini, Brian Baptie, Cecilia Clivati, Davide Calonico, Filippo Levi, Giuseppe Marra, Jochen Kronj\"ager, Louise Wright, Luckett Richard, Stephen Robinson

arxiv:1801.02698 v1 · 2017-12-18 · 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{WQNZNQHC35JAKU75SXRUQOXN6E}

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	2026-05-18T00:26:22.646919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b41b96c0e2df520553fd95e3483aedf1033a86fa9325e490fac735507c10fdfb

Aliases

arxiv: 1801.02698 · arxiv_version: 1801.02698v1 · doi: 10.48550/arxiv.1801.02698 · pith_short_12: WQNZNQHC35JA · pith_short_16: WQNZNQHC35JAKU75 · pith_short_8: WQNZNQHC

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/WQNZNQHC35JAKU75SXRUQOXN6E \
  | 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: b41b96c0e2df520553fd95e3483aedf1033a86fa9325e490fac735507c10fdfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f0b5e5e2a25b4917127cfbbdba52b8cf6ec379cca6eab07a51b1fd98c015181",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2017-12-18T14:13:55Z",
    "title_canon_sha256": "1d71d69cfdd7889c550078acf5bf95aa5be4dc5325dff8c724ee9dfb5b61f905"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02698",
    "kind": "arxiv",
    "version": 1
  }
}