Pith Number

pith:T7JIGRQZ

pith:2013:T7JIGRQZ62ORRCLCPD3C5QL5MS

not attested not anchored not stored refs pending

Hydraulic External Pre-Isolator System for LIGO

B. Lantz, B. O'Reilly, C. Hardham, D. Coyne, D. Sellers, G. Traylor, H. Overmier, J. Giaime, J. Hanson, J. Kern, K. Carter, K. Mailand, K. Mason, M. Hammond, M. MacInnis, O. Spjeld, P. Sarin, R. Abbott, R. Bork, R. Mittleman, S. Wen, T. Evans, W. Hua

arxiv:1309.5685 v2 · 2013-09-23 · gr-qc · astro-ph.IM · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7JIGRQZ62ORRCLCPD3C5QL5MS}

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	2026-05-18T01:47:34.462334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fd2834619f69d18896278f62ec17d64bfdc5b4bed0bde147c5d50adda241354

Aliases

arxiv: 1309.5685 · arxiv_version: 1309.5685v2 · doi: 10.48550/arxiv.1309.5685 · pith_short_12: T7JIGRQZ62OR · pith_short_16: T7JIGRQZ62ORRCLC · pith_short_8: T7JIGRQZ

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/T7JIGRQZ62ORRCLCPD3C5QL5MS \
  | 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: 9fd2834619f69d18896278f62ec17d64bfdc5b4bed0bde147c5d50adda241354

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba1bf9bd7892820dcc2ec2685cd29c7e02c98c37f408c3b340fd53dce5c08d6a",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-23T02:34:04Z",
    "title_canon_sha256": "1f60021d3f2c0de8ccf68539bae363a729b54486bd2a19bd86bd95d2663fee6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5685",
    "kind": "arxiv",
    "version": 2
  }
}