OT-2026-000090550
Publication integrity record
Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000090550) never changes.
Identity and time
| Publication number | OT-2026-000090550 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-7c83-97bf-de6eef6761e5 · 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-2026-000090550 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28076144b5a6fc83de4a0ccc9cde1d413b2a968f41cbea958a0d2b1717f6dcdd |
|---|---|
| Markdown | 716a090c789de91a16696717e284b9548649ea39f9b4d8de0aa2fdc02d94118b |
| Publication page | 9646fda15404c48ec03de885a8c0157b5feb59edd2a17221a255bf429cd3e13e |
| Manifest | 5b85dfb3e787a851758b0475f56cfd0cebdd0fbf6a437b5a2288c0fd6bb2cfe1 |
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 | yzAFHK7kUd2rzPfN+6QzconCPEeLymp6HRs1ZhDmH51qx4mHlk1E59/sJM/kqt7i70ZA8v9/8iaeQsmDWCOdDQ== |
| 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
| 2026-09-17T09:44:43.386607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090550observed 9646fda15404c48ec03de885a8c0157b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:43.369435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090550/manifest.jsonobserved 5b85dfb3e787a851758b0475f56cfd0c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:43.352173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090550/publication.mdobserved 716a090c789de91a16696717e284b954...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:43.334917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090550/publication.txtobserved 28076144b5a6fc83de4a0ccc9cde1d41...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. |
|---|