OT-2026-000078200
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, vented after 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-2026-000078200) never changes.
Identity and time
| Publication number | OT-2026-000078200 · never reused |
|---|---|
| Internal UUID | 01a0ae95-7c26-732f-9e3c-fc423fddb0d0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:07.483031Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078200 |
| Status | PUBLIC |
Content hashes
| Canonical text | c93f584e0acbdb620c1b21f37769924a9e5ddda473dc90c399d68347c16559f9 |
|---|---|
| Markdown | d7add2dbca1c8d1050e5789986d7f8ffc7556a103f08a6ee6a7eeac29882c7d0 |
| Publication page | a1aa49d8083e8956e8a691cdef3244132f34a206df7d827ed28d74775a007992 |
| Manifest | b3dd64e40c96237ff19f2172a8914d71c52c264ec47761879c094b7fd77f8149 |
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 | ekCoeDVW3QfE2FY85pKacNXDVuBzMD6MJ8l1HCXsgS/unHyd5DPUuJ0SUJ6o33rEn1yCeuIQG/RpjOe4R1CXCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-12T16:41:52.711104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078200observed a1aa49d8083e8956e8a691cdef324413...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T16:41:52.661395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078200/manifest.jsonobserved b3dd64e40c96237ff19f2172a8914d71...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:52.585686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078200/publication.mdobserved d7add2dbca1c8d1050e5789986d7f8ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:52.482452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078200/publication.txtobserved c93f584e0acbdb620c1b21f37769924a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:32.908657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078200observed a1aa49d8083e8956e8a691cdef324413...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:32.890765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078200/manifest.jsonobserved b3dd64e40c96237ff19f2172a8914d71...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:32.856951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078200/publication.mdobserved d7add2dbca1c8d1050e5789986d7f8ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:32.822041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078200/publication.txtobserved c93f584e0acbdb620c1b21f37769924a...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
| 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 |
|---|