OT-2026-000028552
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer
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-2026-000028552) never changes.
Identity and time
| Publication number | OT-2026-000028552 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7f1a-854a-53b70447e817 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028552 |
| Status | PUBLIC |
Content hashes
| Canonical text | 69e20d59037368f0942455a66a3376ab12be6c0c48bba6acbb571e82a67bf2eb |
|---|---|
| Markdown | 0d41c461872f55090c2266abad78be80b044e715fb43ca5146c76d9909f05534 |
| Publication page | 45d41268ef52b00b11614dbfdf9aa25041f266c809c2d3067d53742c64f65b76 |
| Manifest | 4d143169a44157c23f0e0b5f36b4d8f0607aa47f630564fb0a5032145761e8fb |
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 | C5G+WIlReV5iw1OPmA4G0rzRzhlFV3YpAqtSJIUzEMMylluRbnbu9tw44JMJpH99IiLLITsAX8c3P/tNotg0Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:50.122169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028552observed 45d41268ef52b00b11614dbfdf9aa250...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:50.104934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028552/manifest.jsonobserved 4d143169a44157c23f0e0b5f36b4d8f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:50.088282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028552/publication.mdobserved 0d41c461872f55090c2266abad78be80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:50.063651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028552/publication.txtobserved 69e20d59037368f0942455a66a3376ab...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. |
|---|