OT-2026-000030080
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, 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-2026-000030080) never changes.
Identity and time
| Publication number | OT-2026-000030080 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac4a-7777-8e89-6e1dec893e6f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030080 |
| Status | PUBLIC |
Content hashes
| Canonical text | d30093383947b40b138708d8264de22727ee9f9a0e5e0bc4485c688ebc53879b |
|---|---|
| Markdown | dacf1f4c332a55648342de135b933eb029753d8a4ad090ab9cc1632ba151f53e |
| Publication page | 368dcd9eb60694f6e347fa0af107e6d36a127994b07226c1a78bb67005a614fa |
| Manifest | 103ecef4c910016a46618fd501ccf0c83199ebb244c612ac43b38c41e50d5ac0 |
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 | X5i5NM9ZIpvs1LeSLHk/rhM2MIrCQfZbU3W8HO6offH2+ixXWCiqmaq98hjpWaK024wfA5ID88nZruTtBnqXBw== |
| 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
| 2026-09-22T16:41:09.082075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030080observed 368dcd9eb60694f6e347fa0af107e6d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-22T16:41:09.017980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030080/manifest.jsonobserved 103ecef4c910016a46618fd501ccf0c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:08.956651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030080/publication.mdobserved dacf1f4c332a55648342de135b933eb0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:08.879027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030080/publication.txtobserved d30093383947b40b138708d8264de227...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:42:23.452995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030080observed 368dcd9eb60694f6e347fa0af107e6d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:42:23.115207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030080/manifest.jsonobserved 103ecef4c910016a46618fd501ccf0c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:42:22.913713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030080/publication.mdobserved dacf1f4c332a55648342de135b933eb0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:42:22.742767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030080/publication.txtobserved d30093383947b40b138708d8264de227...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|