OT-2026-000028296
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, 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-2026-000028296) never changes.
Identity and time
| Publication number | OT-2026-000028296 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7bef-b1df-63dbd25c2b17 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028296 |
| Status | PUBLIC |
Content hashes
| Canonical text | fd9671548da5e98f1eb772074c30db3ddfd2a03fefd5ba8fe297a6656c8e0d2c |
|---|---|
| Markdown | 5feb9fef7d25f38bfa6ec7335104b379338ef75ebcc05a95a88aa32a5206c0af |
| Publication page | 37832125f74a29281944f8b27032637634a8a127c4640a1b4da0f443735a7733 |
| Manifest | d195dbf31837b8c2741a4a874ff5b31cf43ccce7e7fa712092d9f2a70962c733 |
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 | Kp1XckY5ux70JTnTPNy1iwGPzF6U+mbhBafZOUFwrlLZc0CIjLqoGwr7UpRMXQCBVLOn5uzKS9vxxDlgaIPUDA== |
| 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
| 2026-09-17T11:40:05.138492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028296observed 37832125f74a29281944f8b270326376...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:05.119934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028296/manifest.jsonobserved d195dbf31837b8c2741a4a874ff5b31c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:05.071212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028296/publication.mdobserved 5feb9fef7d25f38bfa6ec7335104b379...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.999942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028296/publication.txtobserved fd9671548da5e98f1eb772074c30db3d...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. |
|---|