OT-2026-000021589
Publication integrity record
Single cup vacuum gripper, common isolation valve, 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-2026-000021589) never changes.
Identity and time
| Publication number | OT-2026-000021589 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7242-b8b5-1c2bb8fcd56c · 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-2026-000021589 |
| Status | PUBLIC |
Content hashes
| Canonical text | d4e161ddb00c757064ea0e3260177da637e3e0f5bc8ca1fcd3066dd2906c5084 |
|---|---|
| Markdown | 296ecf4d22cb5d61b3b5a4aa0874ed2ea8d248afa80f3050aca7c73df66f9d1b |
| Publication page | 28459f72013dcc9d128c0a55b50149fc49576b27a7c93360972098b93408e72c |
| Manifest | d2aa8382a73f1d8d98b989519042510574183a5035559f663d2b11a5496a0ac0 |
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 | nRfdDELOJ3DgSUPmLRS9TnRkMVu+oDEfMSKp8Su17jcJZfRVdfq2TJ5qMB1zTM51tgYKAPeEisI99rCNeavhAw== |
| 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
| 2026-09-17T11:54:55.952945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021589observed 28459f72013dcc9d128c0a55b50149fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:55.934098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021589/manifest.jsonobserved d2aa8382a73f1d8d98b9895190425105...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:55.915633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021589/publication.mdobserved 296ecf4d22cb5d61b3b5a4aa0874ed2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:55.896032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021589/publication.txtobserved d4e161ddb00c757064ea0e3260177da6...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. |
|---|