OT-2026-000077157
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000077157) never changes.
Identity and time
| Publication number | OT-2026-000077157 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-79ba-b3e4-4d140cefa2d7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077157 |
| Status | PUBLIC |
Content hashes
| Canonical text | e71892d3065ddb9e51ce5d8be1c441bcf633d06074f644fb5d32852d983cde53 |
|---|---|
| Markdown | 5e9b6570f917f436c81342dbd6aa8b6d8cde6eb0040dce6544eb25c8122f748d |
| Publication page | 55d99808b2d079f0c36a38492c0e7882155152b00d80bc0b22fa91990ac6524c |
| Manifest | a8416bc37d28e28fb6e7ac718a6590763dfe5785a7d43924608f9bd111f058a1 |
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 | voqWPyf0WLC5sbttEhc7pGWdb+giPjK5wgkiwO2Jpc85axGcHeDGen7Z69kXowMf3zhxJ/j6HkdbOAd/TXPMBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:11:47.252610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077157observed 55d99808b2d079f0c36a38492c0e7882...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:47.233409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077157/manifest.jsonobserved a8416bc37d28e28fb6e7ac718a659076...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:47.212129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077157/publication.mdobserved 5e9b6570f917f436c81342dbd6aa8b6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:47.190729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077157/publication.txtobserved e71892d3065ddb9e51ce5d8be1c441bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:37.604698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077157observed 55d99808b2d079f0c36a38492c0e7882...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:37.582942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077157/manifest.jsonobserved a8416bc37d28e28fb6e7ac718a659076...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:37.562149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077157/publication.mdobserved 5e9b6570f917f436c81342dbd6aa8b6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:37.540781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077157/publication.txtobserved e71892d3065ddb9e51ce5d8be1c441bc...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. |
|---|