Pith Number

pith:VBDBOWLP

pith:2021:VBDBOWLP6VCPHDSG4Q4L5ZDPAK

not attested not anchored not stored refs pending

A six degree-of-freedom fused silica seismometer: Design and tests of a metal prototype

Amit Singh Ubhi, David Hoyland, Denis Martynov, Haixing Miao, Jiri Smetana, John Bryant, Leonid Prokhorov, Sam Cooper, Teng Zhang

arxiv:2109.07880 v2 · 2021-09-16 · physics.ins-det · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBDBOWLP6VCPHDSG4Q4L5ZDPAK}

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	2026-07-05T03:43:44.365342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a84617596ff544f38e46e438bee46f028dbff5f967733c23ac6afd70112edf01

Aliases

arxiv: 2109.07880 · arxiv_version: 2109.07880v2 · doi: 10.48550/arxiv.2109.07880 · pith_short_12: VBDBOWLP6VCP · pith_short_16: VBDBOWLP6VCPHDSG · pith_short_8: VBDBOWLP

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/VBDBOWLP6VCPHDSG4Q4L5ZDPAK \
  | 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: a84617596ff544f38e46e438bee46f028dbff5f967733c23ac6afd70112edf01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7efc0f8d68f06292f96fb3bd6dc861ef730895d21ba0cba07ba4660bed4858eb",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2021-09-16T11:18:12Z",
    "title_canon_sha256": "a306ec9da337e06e33ef22946a6cd31a922fc105acb6205d5d129a8cc36c98cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07880",
    "kind": "arxiv",
    "version": 2
  }
}