OT-2026-000021638
Publication integrity record
Foam pad vacuum gripper, three 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-2026-000021638) never changes.
Identity and time
| Publication number | OT-2026-000021638 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7f9b-b289-8f267ad4d58f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021638 |
| Status | PUBLIC |
Content hashes
| Canonical text | c715cdb59bbeff6cc79d7638204372c350d42a0872b8686ba7bade86851c564d |
|---|---|
| Markdown | 85fc3b2c514bbae7ce4a3b71ad9b90ace660cab95c081b1718df6ec0c6cc2e9b |
| Publication page | 00aebc5d2d028672761ab8e2a75491fbce08d14005b5095af06954a230ac514e |
| Manifest | f76fa664d3c0e29c8dcf73ec777ae583a749bc3e191f315bf45f23a6c5a46a73 |
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 | eEDuUXG+R0tz58piqBYWOFJqbSSEzoojZDJeNdjy2WCCKi/0W2YPm5dvnR+6SGtawXnHG3iKtcjCOiWoYbnPAg== |
| 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
| 2026-09-17T11:54:10.505002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021638observed 00aebc5d2d028672761ab8e2a75491fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:10.488419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021638/manifest.jsonobserved f76fa664d3c0e29c8dcf73ec777ae583...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.465283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021638/publication.mdobserved 85fc3b2c514bbae7ce4a3b71ad9b90ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.448302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021638/publication.txtobserved c715cdb59bbeff6cc79d7638204372c3...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. |
|---|