OT-2026-000003278
Publication integrity record
Ergonomic and easily serviceable vacuum probe
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-2026-000003278) never changes.
Identity and time
| Publication number | OT-2026-000003278 · never reused |
|---|---|
| Internal UUID | 01a0a6a8-b285-7bd5-8c1a-49a147da0558 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:01:08.742371Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003278 |
| Status | PUBLIC |
Content hashes
| Canonical text | cdb61aea7972686d045bfd61cc54a5580605c7eca6ef215f20d8a16d859795ec |
|---|---|
| Markdown | 0510b1f891a5f90782fe5876f58e841ba69803fdcb082b0e8f5d0846ddd719a2 |
| Publication page | 682b237fb657eb02564c20f8fc082611b421f910b76491bb74cb7c9b0bfe9c9b |
| Manifest | 4e18f75fd9df4e039629c3302931eb97a8df9c61527659f01f32a0eec60c01cc |
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 | PdV41D5LTmSS/4KhgbsrnsgERqPaT51hYjAtqEVxI0PZxpW7/g6ZTXcIxp+53LjTdblfmS4sk2cXQsU+E8vIAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-10-09T00:42:12.473625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003278observed 682b237fb657eb02564c20f8fc082611...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T00:42:12.391927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003278/manifest.jsonobserved 4e18f75fd9df4e039629c3302931eb97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:42:12.298832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003278/publication.mdobserved 0510b1f891a5f90782fe5876f58e841b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:42:12.128496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003278/publication.txtobserved cdb61aea7972686d045bfd61cc54a558...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:10.541923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003278observed 682b237fb657eb02564c20f8fc082611...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:10.507828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003278/manifest.jsonobserved 4e18f75fd9df4e039629c3302931eb97...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:10.494132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003278/publication.txtobserved cdb61aea7972686d045bfd61cc54a558...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 |
|---|