OT-2026-000077387
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000077387) never changes.
Identity and time
| Publication number | OT-2026-000077387 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f509-7e5e-88be-0d6bab3a0ee5 · 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-2026-000077387 |
| Status | PUBLIC |
Content hashes
| Canonical text | c7ad0f48ca5b3af037e2827a8f5edc4b8f8fced8b3eea9ded0dccb48f8848237 |
|---|---|
| Markdown | 7bb4a12946959566742271e20cfc3f1003ee3cf5298c324df80b741df9d1d5ce |
| Publication page | fa24ef578b995f02f6b8756c9e0ef8020bfd858bbc32eca0bb0794bd0c5671a3 |
| Manifest | 637875e627129eda4577bcd9a15ecb76f38b42e6c8c2079be2d6e2c8ac06b771 |
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 | He4JXkfjlZUByuNW7B80XP5Ysd3Fg7dnf8T+uvP4kd9nmzBSNTTn82qAJEfZQzoEtLTxlYSy1tX5ejp0E3qQDA== |
| 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
| 2026-09-17T10:09:01.994174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077387observed fa24ef578b995f02f6b8756c9e0ef802...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:01.973868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077387/manifest.jsonobserved 637875e627129eda4577bcd9a15ecb76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:01.953645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077387/publication.mdobserved 7bb4a12946959566742271e20cfc3f10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:01.926865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077387/publication.txtobserved c7ad0f48ca5b3af037e2827a8f5edc4b...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. |
|---|