OT-2026-000028588
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off before set-down
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-2026-000028588) never changes.
Identity and time
| Publication number | OT-2026-000028588 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-702b-924e-77a1899b8112 · 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-2026-000028588 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0aab7f1288a9a057bb7e7945d1840ec92b54b0e843eb96431deaf203a87d0bf4 |
|---|---|
| Markdown | 792d7228ccf0889d47c3811e7aa628a321b545af410d2a1a42debcb4f4f46981 |
| Publication page | 92daffa8b54c9a81e0e58f532c12c4e84618cf445e99a17c208116db2c1ac144 |
| Manifest | cde5dee0e4b806845039ca88847af69dd01ceecf6706d9310bd3cc8c9549c7ac |
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 | +kwCYD/flzs2aqlXh/yDa0/voCsB3JGRrsVT0R7UYtEy88AaMzYof9uTKVKZEv1jXYjLgJVL7sHGDPk75cQYDw== |
| 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
| 2026-09-17T11:41:26.427974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028588observed 92daffa8b54c9a81e0e58f532c12c4e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:26.408326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028588/manifest.jsonobserved cde5dee0e4b806845039ca88847af69d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:26.387955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028588/publication.mdobserved 792d7228ccf0889d47c3811e7aa628a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:26.367217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028588/publication.txtobserved 0aab7f1288a9a057bb7e7945d1840ec9...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. |
|---|