OT-2026-000028584
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000028584) never changes.
Identity and time
| Publication number | OT-2026-000028584 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7245-8b84-fe1370efa57f · 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-2026-000028584 |
| Status | PUBLIC |
Content hashes
| Canonical text | e799fe2a65c1503944b56ef26994831cc04cff8144ccf9b856d903dd6c2f0e9e |
|---|---|
| Markdown | 2e7a3d8fbfc6ce682d3ca62cfcf863978158b5328d21eaf69aa4e95dfa0f17c6 |
| Publication page | 7e774b8438c0251643590756aa75b23345593ce0e695214551854e422734f78e |
| Manifest | 14cdec8c3770fb89a60a7b0139ed9806324d574323aacb6260c924068d8cec5f |
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 | 140IU1GTYbb8ELQktMiCId9Pa0w5RfqfXo1GH7alI/Mb8ZQ2bhINhQmYzHS9hq59LEWybX3KtbbLM4JUE0nXDA== |
| 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
| 2026-09-17T11:40:52.604856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028584observed 7e774b8438c0251643590756aa75b233...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:52.586589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028584/manifest.jsonobserved 14cdec8c3770fb89a60a7b0139ed9806...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:52.568395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028584/publication.mdobserved 2e7a3d8fbfc6ce682d3ca62cfcf86397...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:52.549574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028584/publication.txtobserved e799fe2a65c1503944b56ef26994831c...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. |
|---|