OT-2026-000078559
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078559) never changes.
Identity and time
| Publication number | OT-2026-000078559 · never reused |
|---|---|
| Internal UUID | 01a0ae95-7c29-7526-9d7c-e8077e4770af · 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-2026-000078559 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61c9e4c848523d4011e067923418eb38911b6fd89ffb8db7f2148f244a4fdfb7 |
|---|---|
| Markdown | f71f70a05e5c0e2199cd56ecd467819388d046cca656c778317880a4af80f6a4 |
| Publication page | 7c41fc5008187c4ecd3c0979d44f031793f17b08dfdcff557d47766686eb2834 |
| Manifest | e9890af0895319afd88c7f5e811b77cbc7552b6fd9323e9d9a06d09e8dc5a56b |
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 | omoFGUD1wba39jdz1sTCGX6An6jZY4eSuHBmCbxUNfwPfs2kP0YyFss6VawC/ds7Kq4nwfLDzNcjb0yz9xj9DQ== |
| 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
| 2026-10-23T04:41:50.913416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078559observed 7c41fc5008187c4ecd3c0979d44f0317...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T04:41:50.838775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078559/manifest.jsonobserved e9890af0895319afd88c7f5e811b77cb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:50.773194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078559/publication.mdobserved f71f70a05e5c0e2199cd56ecd4678193...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:50.701669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078559/publication.txtobserved 61c9e4c848523d4011e067923418eb38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:41:48.880852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078559observed 7c41fc5008187c4ecd3c0979d44f0317...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:41:48.681442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078559/manifest.jsonobserved e9890af0895319afd88c7f5e811b77cb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:41:48.509305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078559/publication.mdobserved f71f70a05e5c0e2199cd56ecd4678193...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:41:48.365942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078559/publication.txtobserved 61c9e4c848523d4011e067923418eb38...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 |
|---|