OT-2026-000007443
Publication integrity record
Vacuum cup gripper, common isolation valve, pump fed, pressure verified, silicone cups, flat form
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000007443) never changes.
Identity and time
| Publication number | OT-2026-000007443 · never reused |
|---|---|
| Internal UUID | 01a0a97e-fbf7-7279-b1f6-baa00ec28163 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:14:26.682380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007443 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1954ca1fafb733afc69dc774b2d32cf7eb5047ed24f1172aa86d4217a3f0401f |
|---|---|
| Markdown | d2d8d5c1ad0b8e7eb6e653beeffe223ddaedb1394f4dc7358993e404dae1ecc9 |
| Publication page | 5934c0fa26338d3cdabadf951a9feaaea758b1fd195a03bd4b00fb4319027f36 |
| Manifest | fc7f339cc73909492d2ebac6981021991fb0d63f0185ac3b8d8bb7054ff2ffc6 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 0V3InOFums+ZwZWnFweATmbaOBxEmMjioFO8RI890FoD8eEX+ErKuUm2ZTV5KjogWcAvGgEZTm5S2TPfMZg9Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:05.094676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007443observed 5934c0fa26338d3cdabadf951a9feaae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:05.082392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007443/manifest.jsonobserved fc7f339cc73909492d2ebac698102199...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:05.069411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007443/publication.mdobserved d2d8d5c1ad0b8e7eb6e653beeffe223d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:05.056867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007443/publication.txtobserved 1954ca1fafb733afc69dc774b2d32cf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|