Pith Number

pith:SPJJ4HK7

pith:2018:SPJJ4HK7FOBNUDG24XVEVOE53C

not attested not anchored not stored refs pending

Surface shear waves in a half-plane with depth-variant structure

Alexander Shuvalov, Andrey Sarychev, Marco Spadini

arxiv:1810.06294 v1 · 2018-10-15 · math.CA · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPJJ4HK7FOBNUDG24XVEVOE53C}

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	2026-05-18T00:03:20.892078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d29e1d5f2b82da0cdae5ea4ab89dd892bd75c529aed823003a965e17fc5f90

Aliases

arxiv: 1810.06294 · arxiv_version: 1810.06294v1 · doi: 10.48550/arxiv.1810.06294 · pith_short_12: SPJJ4HK7FOBN · pith_short_16: SPJJ4HK7FOBNUDG2 · pith_short_8: SPJJ4HK7

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/SPJJ4HK7FOBNUDG24XVEVOE53C \
  | 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: 93d29e1d5f2b82da0cdae5ea4ab89dd892bd75c529aed823003a965e17fc5f90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfa9f554b7af5ea9075b76a4806a3739d1a8f38e3ac662edc8ec1c72dafa27e7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-10-15T12:06:30Z",
    "title_canon_sha256": "7b81fb7ccfa4effd557d72e22994f1162b052c641cafa3aab06a653e397afd9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06294",
    "kind": "arxiv",
    "version": 1
  }
}