OT-2026-000068578
Publication integrity record
Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068578) never changes.
Identity and time
| Publication number | OT-2026-000068578 · never reused |
|---|---|
| Internal UUID | 01a0ae90-2482-76eb-b7ca-3fce26f157a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:51:17.262143Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000068578 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83fc89c32f6f6062ff59107578147c6f4912ca02c8c8c02d2ec99793859e1b9b |
|---|---|
| Markdown | f1ce5281700f9ff975e34a68da80eed58504b58204f7b803f78af761c74ad8ed |
| Publication page | 1d6cbd4cc6ae88f93225e538cd8e78466b0f9428d32364b0e1cc7cd04aa480df |
| Manifest | 850928a7bb133351b8e6809bfb419a11086af46e7be4c0d297a7d2f413ad749f |
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 | oTjsG2tlbqeSfXclcZvWlMRVQm0nxnzk5xiUKhEPpa6Bx9bgO42JCgOOSJeOoxTsJnu30lT6XCjUzYyP939pAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-28T16:41:23.842585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068578observed 1d6cbd4cc6ae88f93225e538cd8e7846...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T16:41:23.766414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068578/manifest.jsonobserved 850928a7bb133351b8e6809bfb419a11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:23.691061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068578/publication.mdobserved f1ce5281700f9ff975e34a68da80eed5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:23.521330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068578/publication.txtobserved 83fc89c32f6f6062ff59107578147c6f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:40.737161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068578observed 1d6cbd4cc6ae88f93225e538cd8e7846...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:40.688357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068578/manifest.jsonobserved 850928a7bb133351b8e6809bfb419a11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:40.639634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068578/publication.mdobserved f1ce5281700f9ff975e34a68da80eed5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:40.580521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068578/publication.txtobserved 83fc89c32f6f6062ff59107578147c6f...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 |
|---|