OT-2026-000006312
Publication integrity record
Vacuum cup gripper, common isolation valve, two outlet manifold, pump fed, pressure verified, polyurethane cups
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-2026-000006312) never changes.
Identity and time
| Publication number | OT-2026-000006312 · never reused |
|---|---|
| Internal UUID | 01a0a956-9253-7232-8822-61f48b63a51e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:30:18.199580Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006312 |
| Status | PUBLIC |
Content hashes
| Canonical text | be82e8da34212c4694a6e014a3e48fbd60ec05247c82a645876d3ae2b4416475 |
|---|---|
| Markdown | 7f4fdb291399a652635054b5be1e4b4dc86c9646174ab9a16e1d2c1489e55cfd |
| Publication page | b6ffb249ce4d030977de9c83363a1df5b768de0f96a7789a0e4a16106ca43c57 |
| Manifest | ba555a7665e0c06c1f4fef0698624bc964d9dde42f51e68cf7d9fc9939b3a3d2 |
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 | +BUIkm85S+aq6IHrxsR10UFNJrsjoy+uER08LzpI/fX1iK+zg2yzfVl+LdXqjd1Fs7x0fgKQFtcy5WvPkoC0AQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-10-23T12:41:43.165181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006312observed b6ffb249ce4d030977de9c83363a1df5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T12:41:43.085937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006312/manifest.jsonobserved ba555a7665e0c06c1f4fef0698624bc9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:43.017373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006312/publication.mdobserved 7f4fdb291399a652635054b5be1e4b4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:42.865374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006312/publication.txtobserved be82e8da34212c4694a6e014a3e48fbd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:11.305309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006312observed b6ffb249ce4d030977de9c83363a1df5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:11.290118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006312/manifest.jsonobserved ba555a7665e0c06c1f4fef0698624bc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:11.274884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006312/publication.mdobserved 7f4fdb291399a652635054b5be1e4b4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:11.142446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006312/publication.txtobserved be82e8da34212c4694a6e014a3e48fbd...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|