OT-2026-000034231
Publication integrity record
Foam pad vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000034231) never changes.
Identity and time
| Publication number | OT-2026-000034231 · never reused |
|---|---|
| Internal UUID | 01a0ae75-df0d-7d98-9108-ba67584a0b51 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:35.550760Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000034231 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6dd5bccc4d13a930b7386f016570e7ac3f526483fa2b72feefdfd05a4ab7c9c6 |
|---|---|
| Markdown | 5d7ec8924e8ef950440184276e5f34adb6ce4ad7d9cde51894108294817c5d31 |
| Publication page | 63128ebae60bb81474d3715888adcd8d223314317b1547715a35b33b82729575 |
| Manifest | ab4643762f7a2ba37763bc6a18c95886a25a31d027b56d082b5fef5310f374b4 |
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 | nt257/bbeyW02T5N46EuqXUW006OtDuIN8aC8DJJDhUBAVLYbjOYQEfCXZmLsQqEMUENEeq+rhkEoS9vPU1XBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
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Independent retrieval
| 2026-10-15T12:41:02.949793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034231observed 63128ebae60bb81474d3715888adcd8d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T12:41:02.897406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034231/manifest.jsonobserved ab4643762f7a2ba37763bc6a18c95886...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T12:41:02.835560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034231/publication.mdobserved 5d7ec8924e8ef950440184276e5f34ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T12:41:02.630369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034231/publication.txtobserved 6dd5bccc4d13a930b7386f016570e7ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:27.697950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034231observed 63128ebae60bb81474d3715888adcd8d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:27.590839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034231/manifest.jsonobserved ab4643762f7a2ba37763bc6a18c95886...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:27.522145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034231/publication.mdobserved 5d7ec8924e8ef950440184276e5f34ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:27.462504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034231/publication.txtobserved 6dd5bccc4d13a930b7386f016570e7ac...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 |
|---|