OT-2026-000029892
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000029892) never changes.
Identity and time
| Publication number | OT-2026-000029892 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7577-9872-6a7e131da238 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029892 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef1e6cf0293f1c421eb755d3f42feb664479bea5855c77e41bd8f8cbce64bc49 |
|---|---|
| Markdown | 5eefed89991625feb4c731de080b1dc695e2422ebda97d262d71148058ed54bd |
| Publication page | ea6445efbde551e37685cea1d147d124b074de3564b21fde07d73a6d67992f7b |
| Manifest | 1e0c659974468ab95cd5b0cb5a541f22ea4244501ae57c48cfb90d4715e7004b |
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 | lbFquoPR87K8lXOEghKZzDDeEe1TBkaO6lr9ojmgXyBnqOYW2oXHm9I8Ot22EJMLYCZ4HP/F63aEQEVX6hMxBA== |
| 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
| 2026-09-17T11:38:35.504372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029892observed ea6445efbde551e37685cea1d147d124...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:35.488046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029892/manifest.jsonobserved 1e0c659974468ab95cd5b0cb5a541f22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:35.470686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029892/publication.mdobserved 5eefed89991625feb4c731de080b1dc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:35.453184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029892/publication.txtobserved ef1e6cf0293f1c421eb755d3f42feb66...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. |
|---|