OT-2026-000075578
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented before 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-2026-000075578) never changes.
Identity and time
| Publication number | OT-2026-000075578 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fc-77a5-9ffc-85abc644b1f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075578 |
| Status | PUBLIC |
Content hashes
| Canonical text | f656870fa69892c84fba026249a4f4336cfccaae82531fe69a2ab421abd1963c |
|---|---|
| Markdown | 519dc43347281588afcc5596f6eaa040486e66ef8ba1a7959662a532766f8a1e |
| Publication page | 0b8340d73588b7bd8adf8fdb598a2e929043ab755b281c610209708add76b471 |
| Manifest | 6b0e8bf388714369380b61d2a0e541dbf11e227543de6890bb30d85357af6df7 |
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 | QRnzpz0yL4hkWWdJUk2nzwsHlYqabuHFhDWLKX/UGax1eXexQ7d1jMcebcQH4AKw4sleZb1fxROGmX5nn8khDA== |
| 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
| 2026-10-24T04:41:52.595894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075578observed 0b8340d73588b7bd8adf8fdb598a2e92...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T04:41:52.518150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075578/manifest.jsonobserved 6b0e8bf388714369380b61d2a0e541db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:52.414292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075578/publication.mdobserved 519dc43347281588afcc5596f6eaa040...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:52.294266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075578/publication.txtobserved f656870fa69892c84fba026249a4f433...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:40.018627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075578observed 0b8340d73588b7bd8adf8fdb598a2e92...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:39.918189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075578/manifest.jsonobserved 6b0e8bf388714369380b61d2a0e541db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:39.784646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075578/publication.mdobserved 519dc43347281588afcc5596f6eaa040...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:39.625920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075578/publication.txtobserved f656870fa69892c84fba026249a4f433...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 |
|---|