OT-2026-000021215
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000021215) never changes.
Identity and time
| Publication number | OT-2026-000021215 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-78a4-9207-f8a6092cee28 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021215 |
| Status | PUBLIC |
Content hashes
| Canonical text | cd92bc1262f5f5aeca77e0cfe4749f5f907be2be22b57d580a2ccb7f2a2c559f |
|---|---|
| Markdown | 2ed8e90acbfe68087d5e780ab935bd20cab32a86a8175e5f4e849e59b10e9c80 |
| Publication page | b6cec082b5d87d86986661e771c827abbb9e6038b8b63801e21b2d00bc7ec584 |
| Manifest | 257eecf68bd5c432f21bc7c44aaf6cf7c3a8765a96e59603b9ad3fc9d9659470 |
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 | LXVtcjmZzn8wU9ZVjTw5V6s6gCl2Z3Tu97AAIgfvTbwbUXoAa+kiEE1vdMiW3cXqeOuTWnyt2N1PjKhayxCYCA== |
| 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
| 2026-09-17T11:55:01.041308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021215observed b6cec082b5d87d86986661e771c827ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:01.017803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021215/manifest.jsonobserved 257eecf68bd5c432f21bc7c44aaf6cf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:00.998399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021215/publication.mdobserved 2ed8e90acbfe68087d5e780ab935bd20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:00.972589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021215/publication.txtobserved cd92bc1262f5f5aeca77e0cfe4749f5f...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. |
|---|