OT-2026-000020527
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000020527) never changes.
Identity and time
| Publication number | OT-2026-000020527 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-748e-b345-32699f274282 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020527 |
| Status | PUBLIC |
Content hashes
| Canonical text | 69a8a687868b34e8b4d746b14ecc870bd7d5b3d801efb3a96c50900a60296b0d |
|---|---|
| Markdown | 417f555b45245e123fc2d56b66e29d7af2ab99085f390a4d73d5d28230415b2c |
| Publication page | 0f45d2e7b43ea73df1351ffa98d07911eb04edd2056e2939d37366b5ca6846a1 |
| Manifest | efdd22bf70ff11a1aa8d262f0f5bdad35c25b360107e74527e303266ac63dd7c |
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 | eeIhfFHAtH4eXOsPxX7eO7YLbQN5fMNZT3vI0GgGmy6jcspHmVqaE9cgf5ptGp6IRL4E6PowiYrknxB60P9kAg== |
| 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
| 2026-09-17T12:00:30.293914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020527observed 0f45d2e7b43ea73df1351ffa98d07911...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:30.272267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020527/manifest.jsonobserved efdd22bf70ff11a1aa8d262f0f5bdad3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:29.943376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020527/publication.mdobserved 417f555b45245e123fc2d56b66e29d7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:29.863702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020527/publication.txtobserved 69a8a687868b34e8b4d746b14ecc870b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.915293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020527observed 0f45d2e7b43ea73df1351ffa98d07911...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.896839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020527/manifest.jsonobserved efdd22bf70ff11a1aa8d262f0f5bdad3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.878542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020527/publication.mdobserved 417f555b45245e123fc2d56b66e29d7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.847225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020527/publication.txtobserved 69a8a687868b34e8b4d746b14ecc870b...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. |
|---|