OT-2026-000078028
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented after set-down
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-2026-000078028) never changes.
Identity and time
| Publication number | OT-2026-000078028 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2f44-7d9f-aa0f-63bbf66e637a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078028 |
| Status | PUBLIC |
Content hashes
| Canonical text | 04fa483c086076dcc0cf41c569d09b44d29d3dde216b1eec17f7d167934a0f6e |
|---|---|
| Markdown | e86f94b665b0a6470889b3377e19e90539dc2ca570b13234dcc2ca466fa7994b |
| Publication page | c5ec7385efa44c2fe6f745ae9e0d6d8a0f402c32536e1ec76f5035b261baedaf |
| Manifest | 220bfdddbe67ab8de771f42632ce10e452441553485e29e7959387f4f3eb2313 |
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 | YBKK06Zgq85aFc1YjyJu8je8my344Au/9ZMKrXwgSriw73hWNdMzNO6du3EZNqwbzatHI9ZV2glJiJK1vrOdBw== |
| 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
| 2026-10-09T00:41:34.591238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078028observed c5ec7385efa44c2fe6f745ae9e0d6d8a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T00:41:34.510556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078028/manifest.jsonobserved 220bfdddbe67ab8de771f42632ce10e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:34.413267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078028/publication.mdobserved e86f94b665b0a6470889b3377e19e905...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:34.320754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078028/publication.txtobserved 04fa483c086076dcc0cf41c569d09b44...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:41:38.552711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078028observed c5ec7385efa44c2fe6f745ae9e0d6d8a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:41:38.465691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078028/manifest.jsonobserved 220bfdddbe67ab8de771f42632ce10e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:41:38.357467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078028/publication.mdobserved e86f94b665b0a6470889b3377e19e905...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:41:38.209813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078028/publication.txtobserved 04fa483c086076dcc0cf41c569d09b44...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 |
|---|