OT-2026-000003159
Publication integrity record
Vacuum lifting plate with suction passageway ball valves
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-2026-000003159) never changes.
Identity and time
| Publication number | OT-2026-000003159 · never reused |
|---|---|
| Internal UUID | 01a0a696-536a-75b8-b49b-158682f7c23c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:41:04.746680Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003159 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f31ba580cf34fd47ac9ab89cf4bf1f7c5de60f095f34d6deb3c42f063f6a617 |
|---|---|
| Markdown | 44a71d8106e7cf4c1d118d55c867aef4e1c6be86a36cd63ca862a318d78eefef |
| Publication page | f08233fae941798cdfaf6732afb0a348cf9b402dfeb34623a47de6a268526312 |
| Manifest | bbe28641b973dfcca0321201f4ee35b026ea994bf5399257451c68aa07598be0 |
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 | LeUr6Lb1ozo0mFwu8zWCcX0s6sEc4mq947cJg2Pf/hM3atd3W7bj09Ze/mA2CuPUGru6pzAoc3Q40RUrGoM+AQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-09-16T04:23:10.165598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003159observed f08233fae941798cdfaf6732afb0a348...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T04:23:10.151404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003159/manifest.jsonobserved bbe28641b973dfcca0321201f4ee35b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:10.134845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003159/publication.mdobserved 44a71d8106e7cf4c1d118d55c867aef4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:10.061278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003159/publication.txtobserved 7f31ba580cf34fd47ac9ab89cf4bf1f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:07.812734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003159observed f08233fae941798cdfaf6732afb0a348...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:07.652125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003159/manifest.jsonobserved bbe28641b973dfcca0321201f4ee35b0...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:07.639051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003159/publication.txtobserved 7f31ba580cf34fd47ac9ab89cf4bf1f7...fetched by instance-3.rotem.ai from 127.0.0.1, 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 |
|---|