Pith Number

pith:6Z4GR64V

pith:2019:6Z4GR64VXWT3EK2CS3JKC46DG7

not attested not anchored not stored refs pending

Seismic wave shield using cubic arrays of split-ball resonators

Bogdan Ungureanu, Richard Craster, Sebastien Guenneau, Stefan Enoch, Stephane Brule, Younes Achaoui

arxiv:1904.10767 v1 · 2019-04-22 · physics.class-ph · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6Z4GR64VXWT3EK2CS3JKC46DG7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:47:50.017253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f67868fb95bda7b22b4296d2a173c337e5a20d8bd321bbf116c063ea17c60070

Aliases

arxiv: 1904.10767 · arxiv_version: 1904.10767v1 · doi: 10.48550/arxiv.1904.10767 · pith_short_12: 6Z4GR64VXWT3 · pith_short_16: 6Z4GR64VXWT3EK2C · pith_short_8: 6Z4GR64V

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/6Z4GR64VXWT3EK2CS3JKC46DG7 \
  | 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: f67868fb95bda7b22b4296d2a173c337e5a20d8bd321bbf116c063ea17c60070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98e69499dbdcaf2428ce2a08dc64fa5a74bf7987b7cd2cc747d8f3bfb02cb173",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2019-04-22T22:00:56Z",
    "title_canon_sha256": "2bc940876651511cb37aa25870da275bd10e495fe6942049d3a385782f2059a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10767",
    "kind": "arxiv",
    "version": 1
  }
}