Pith Number

pith:EUI5WTFR

pith:2014:EUI5WTFRHD7OPD4MCIMMUMU74V

not attested not anchored not stored refs pending

Real-time earthquake warning for astronomical observatories

Christopher Smith, Christopher Stubbs, Chuck Claver, Jan Harms, Michael Coughlin, Michael Warner, Sergio Barrientos

arxiv:1412.3603 v1 · 2014-12-11 · astro-ph.IM · 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{EUI5WTFRHD7OPD4MCIMMUMU74V}

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	2026-05-18T01:41:19.796588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2511db4cb138fee78f8c1218ca329fe574acc46c60712538d1aced3208ebc8dd

Aliases

arxiv: 1412.3603 · arxiv_version: 1412.3603v1 · doi: 10.48550/arxiv.1412.3603 · pith_short_12: EUI5WTFRHD7O · pith_short_16: EUI5WTFRHD7OPD4M · pith_short_8: EUI5WTFR

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/EUI5WTFRHD7OPD4MCIMMUMU74V \
  | 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: 2511db4cb138fee78f8c1218ca329fe574acc46c60712538d1aced3208ebc8dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a03e7d795d7a6e9e0f3537fb31c71a7b6cc2b9fd51c7e3d403680e011499b520",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-12-11T11:08:59Z",
    "title_canon_sha256": "8046cecadf2fedb26ecf7c2a206cc896b407f9427fc8217d86e220a036e31e94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3603",
    "kind": "arxiv",
    "version": 1
  }
}