Pith Number

pith:4WUE4LFE

pith:2017:4WUE4LFES7GTJPPWM2RAHXFGX5

not attested not anchored not stored refs pending

Utsu aftershock productivity law explained from geometric operations on the permanent static stress field of mainshocks

Arnaud Mignan

arxiv:1706.06490 v1 · 2017-06-20 · 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{4WUE4LFES7GTJPPWM2RAHXFGX5}

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	2026-05-18T00:19:53.676350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a84e2ca497cd34bdf666a203dca6bf7bd4b955b649be7f47b33ad3645a288a

Aliases

arxiv: 1706.06490 · arxiv_version: 1706.06490v1 · doi: 10.48550/arxiv.1706.06490 · pith_short_12: 4WUE4LFES7GT · pith_short_16: 4WUE4LFES7GTJPPW · pith_short_8: 4WUE4LFE

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/4WUE4LFES7GTJPPWM2RAHXFGX5 \
  | 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: e5a84e2ca497cd34bdf666a203dca6bf7bd4b955b649be7f47b33ad3645a288a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b0e411bcd3bf3e9017dffa4b36dbf5abb694d34b7397cb58214a08715c1c26b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2017-06-20T14:43:44Z",
    "title_canon_sha256": "afbb2e46e80eabd982b2a04662fc7b905af92829b422ce0c9ccf8fd313d7cfd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06490",
    "kind": "arxiv",
    "version": 1
  }
}