OT-2026-000054991
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000054991) never changes.
Identity and time
| Publication number | OT-2026-000054991 · never reused |
|---|---|
| Internal UUID | 01a0ae86-5e80-7b82-bce8-4dea029a463e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:36.756598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054991 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5aff68cb6dace9d1fd459056c4de43089298e50e96bc636b1bd5473809f40c0 |
|---|---|
| Markdown | 0e2ffbb2260b84457f19af4345c9ca3d35e16a8d6c530fd30676a909f51e50bb |
| Publication page | 5ab788fee2fa9a0b29f52947b5e3cf1f3957629b259bbd8aa4fbd3e7fa803aff |
| Manifest | 8f054cc0ff6a554051d0c8fe41aa82de650ec2ceb32b5cb50122e4a47b3063ae |
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 | afsfD7haq1otgn6P3K9iLBPXjm5weLGzzDdeqY1GOzt/n7tFmzy3Wj7t+NBA11kDv2cQah2pwoK9dnhLmyVjAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-19T20:41:10.009298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054991observed 5ab788fee2fa9a0b29f52947b5e3cf1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T20:41:09.926805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054991/manifest.jsonobserved 8f054cc0ff6a554051d0c8fe41aa82de...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:09.846239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054991/publication.mdobserved 0e2ffbb2260b84457f19af4345c9ca3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:09.705816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054991/publication.txtobserved d5aff68cb6dace9d1fd459056c4de430...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:11.565202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054991observed 5ab788fee2fa9a0b29f52947b5e3cf1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:11.484240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054991/manifest.jsonobserved 8f054cc0ff6a554051d0c8fe41aa82de...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:11.400713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054991/publication.mdobserved 0e2ffbb2260b84457f19af4345c9ca3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:11.251223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054991/publication.txtobserved d5aff68cb6dace9d1fd459056c4de430...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 |
|---|