OT-2026-000071456
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, vented 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-2026-000071456) never changes.
Identity and time
| Publication number | OT-2026-000071456 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ed-7f54-abdb-b15c5922c194 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071456 |
| Status | PUBLIC |
Content hashes
| Canonical text | efec04ef5c0fee22ea2cf0fff6c0a656f0f82e76eb77b2d15597596f8fb9c36e |
|---|---|
| Markdown | 3ce6349e36385bc9cac21052c35b1ccdb8ee94c4bf15cfa22775c8a94a307225 |
| Publication page | b546a3830f58133753b451a64209fdc57d893f5824628526c639f24e2f827063 |
| Manifest | 01da2442517b8afab3b673225a33c6e86c031d0927b1f0dad3437a2ad6ab5661 |
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 | CB/Sh3G0jZCf/+VVpGpvAZsKfeKptwfpuVeLkxEgVj0ixzpJ98pZaeyi1Gc78df8HqgIfCb+IP16R8iaMOKdDg== |
| 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
| 2026-09-17T10:25:05.784372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071456observed b546a3830f58133753b451a64209fdc5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:25:05.767267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071456/manifest.jsonobserved 01da2442517b8afab3b673225a33c6e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:05.748947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071456/publication.mdobserved 3ce6349e36385bc9cac21052c35b1ccd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:05.729509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071456/publication.txtobserved efec04ef5c0fee22ea2cf0fff6c0a656...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. |
|---|