OT-2026-000003590
Publication integrity record
Vacuum cup gripper, common isolation valve, four outlet manifold, two stage ejector, pressure verified
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-2026-000003590) never changes.
Identity and time
| Publication number | OT-2026-000003590 · never reused |
|---|---|
| Internal UUID | 01a0a90a-77bf-799e-8c06-da2dcc20550c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:10.658496Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003590 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5cb71df77a05d5231e2a2ac832543a945fceb559fbe01e6407557daa871d7329 |
|---|---|
| Markdown | 152b5d55991c7f3baa03bc2eb6739e6e4a74bc9bbc0e74e19c7dcd421485e622 |
| Publication page | 53fe9cde58f8215f030aba3f7ce758afce6d6970365488a09c6199fada1ef670 |
| Manifest | 74382460384090ad3ad9673e01f12df9dcc31b166ab7336679466216c315db24 |
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 | RV+tXhObqEbDQm8jaQCNUyZU9UCL7X/r/pUx2mOmKfzoi8Xb+H1uMC8ICUbYOCaodpgyy+Vw3Ty/E6g3cuMrCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-14T00:41:49.604664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003590observed 53fe9cde58f8215f030aba3f7ce758af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T00:41:49.555726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003590/manifest.jsonobserved 74382460384090ad3ad9673e01f12df9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:49.507618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003590/publication.mdobserved 152b5d55991c7f3baa03bc2eb6739e6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:49.414551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003590/publication.txtobserved 5cb71df77a05d5231e2a2ac832543a94...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T12:41:14.691025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003590observed 53fe9cde58f8215f030aba3f7ce758af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T12:41:14.638491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003590/manifest.jsonobserved 74382460384090ad3ad9673e01f12df9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T12:41:14.566444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003590/publication.mdobserved 152b5d55991c7f3baa03bc2eb6739e6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T12:41:14.358272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003590/publication.txtobserved 5cb71df77a05d5231e2a2ac832543a94...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 |
|---|