OT-2026-000048475
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000048475) never changes.
Identity and time
| Publication number | OT-2026-000048475 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de5-71bb-8a2b-61a7f4372ad7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048475 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ee8ed8d0789cbce99b803f7ad650cd144519a30a0bbf1fc8d3e401a51d8f692 |
|---|---|
| Markdown | c3a41152e4aeba77f4897acd594694e0e611686d18e1468b79f2f5d8465bf672 |
| Publication page | b7c87e15f58bf99447edaf5e6b9edf5ea418d5c6c336c04a133ae069808b9916 |
| Manifest | 22e826266211ac531fefbeb8cef099cdbee11d2e9ad6f028081ada03d63ebd1a |
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 | UYyXz5Ykz2K3w5K1gl3fEao2Zm5e91Myd7vLk/58cFZD6WocmEHgxvFc1dQsF3cUIrQQqffckZWgN2prHruuDw== |
| 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
| 2026-09-17T11:05:08.378568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048475observed b7c87e15f58bf99447edaf5e6b9edf5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:05:08.360734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048475/manifest.jsonobserved 22e826266211ac531fefbeb8cef099cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:08.341023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048475/publication.mdobserved c3a41152e4aeba77f4897acd594694e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:08.321919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048475/publication.txtobserved 2ee8ed8d0789cbce99b803f7ad650cd1...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. |
|---|