OT-2026-000005554
Publication integrity record
Vacuum cup gripper, two zone face, ejector fed, vented before set down, silicone cups
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-2026-000005554) never changes.
Identity and time
| Publication number | OT-2026-000005554 · never reused |
|---|---|
| Internal UUID | 01a0a93c-fe7a-762e-be83-fe766e0e0cad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:02:21.949907Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005554 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9daad5328268e70e895c8ba5f82a78231c7870b888c031ba86463c8a37139f6f |
|---|---|
| Markdown | 92326fde9c7a3ccf683622bc744786a70b273469bf8266fb8d3c2669736f1f15 |
| Publication page | 7c5b33569946250f548efcb557b8f9034d88e8fe041cfcab546dad133fbd2b6c |
| Manifest | f94fe1bb7123ad8c6b86dd555b1eba695e459b8ce469bd7e9beb1efcacbbcc1f |
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 | kyEdFFc4cD2+lddt/9Nyy1hG63RZYRsPp5+i6UBWZE0ba8JCkIXRdL+UTGKSKWVTFFkB+hNC/JRwiWxVSVc6CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-29T04:23:21.024330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005554observed 7c5b33569946250f548efcb557b8f903...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T04:23:21.010777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005554/manifest.jsonobserved f94fe1bb7123ad8c6b86dd555b1eba69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:20.995389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005554/publication.mdobserved 92326fde9c7a3ccf683622bc744786a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:20.912514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005554/publication.txtobserved 9daad5328268e70e895c8ba5f82a7823...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:41:31.280399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005554observed 7c5b33569946250f548efcb557b8f903...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:41:30.988096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005554/manifest.jsonobserved f94fe1bb7123ad8c6b86dd555b1eba69...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:41:30.661494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005554/publication.mdobserved 92326fde9c7a3ccf683622bc744786a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:41:30.323981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005554/publication.txtobserved 9daad5328268e70e895c8ba5f82a7823...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 |
|---|