OT-2026-000090577
Publication integrity record
Foam pad vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000090577) never changes.
Identity and time
| Publication number | OT-2026-000090577 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-7d03-a4d4-e8b6c018d825 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090577 |
| Status | PUBLIC |
Content hashes
| Canonical text | ff28265e874d4bf9e52214a0205c44096c6839d9785eb3403a76a5fab302051b |
|---|---|
| Markdown | d6ea6732c4959e115b00506e486b320da016d39dda5bb579322f9f3cff42b5a1 |
| Publication page | 6eba0e7dabc49cdf8315eabbe2f4895d2ac6d769d0e154e937e74a7fa53c3a85 |
| Manifest | 91ee701fab0e0d9d036f704fffec4a5409e7db595790292f7998db4b1ea86004 |
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 | DGc+hirqf6KpCGNE8jKzS3NOw/S2jL6VVvWnZjaFlsFNRU8k7UY3lWvm8n7FJTPtX9XvBhh/VV/RGxkpZI6MCw== |
| 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
| 2026-09-17T09:44:45.354338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090577observed 6eba0e7dabc49cdf8315eabbe2f4895d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:45.336163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090577/manifest.jsonobserved 91ee701fab0e0d9d036f704fffec4a54...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:45.313342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090577/publication.mdobserved d6ea6732c4959e115b00506e486b320d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:45.294330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090577/publication.txtobserved ff28265e874d4bf9e52214a0205c4409...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. |
|---|