OT-2026-000005244
Publication integrity record
Bellows cup vacuum gripper, per zone isolation, three stage ejector, contact triggered on the face
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-2026-000005244) never changes.
Identity and time
| Publication number | OT-2026-000005244 · never reused |
|---|---|
| Internal UUID | 01a0a932-9b42-738b-9fb2-cd4ec4340d16 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:51:01.189814Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005244 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7087f8e6cf07b0f56d5d8e5ebd6f66ce551650a0ee541af2abd4c35509a8d933 |
|---|---|
| Markdown | 454886f82c39d2b105b73ec5ea4b2c4b63b761150d794d6c39ede39a884c92d4 |
| Publication page | 48ec570f68b2e18cd5b5ef946a7f46b22bae72d37cd123679f232c1926170f6a |
| Manifest | dd0180af8820c5b4c2d7f539d1b31160b00fc50a565af551254caa9ac54a4e9c |
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 | O/jGLf4eeKHloVmCVS1tR6eIznFEbdEEJLNdHOuoqiUPeuHdhs9eInUzs062p3y/Uu0nfj/Aj8XBI91WYOALCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-30T08:41:24.451024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005244observed 48ec570f68b2e18cd5b5ef946a7f46b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T08:41:24.396521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005244/manifest.jsonobserved dd0180af8820c5b4c2d7f539d1b31160...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:24.327171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005244/publication.mdobserved 454886f82c39d2b105b73ec5ea4b2c4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:24.172557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005244/publication.txtobserved 7087f8e6cf07b0f56d5d8e5ebd6f66ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:41:24.451300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005244observed 48ec570f68b2e18cd5b5ef946a7f46b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:41:23.855876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005244/manifest.jsonobserved dd0180af8820c5b4c2d7f539d1b31160...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:41:23.032122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005244/publication.mdobserved 454886f82c39d2b105b73ec5ea4b2c4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:41:22.525251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005244/publication.txtobserved 7087f8e6cf07b0f56d5d8e5ebd6f66ce...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 |
|---|