OT-2026-000090638
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before set-down
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-2026-000090638) never changes.
Identity and time
| Publication number | OT-2026-000090638 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-765e-848e-a08d27c92d58 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090638 |
| Status | PUBLIC |
Content hashes
| Canonical text | 73629679c455eae7161c85f43f52431eea895b6f66fd6b4227e722bd65d278f0 |
|---|---|
| Markdown | 891fc5ddb7a7482ddd7a105e7afb85a07a7338e03ddc24ebf260c14240ba6d98 |
| Publication page | 7bde044810e9170605ca9b5f0c1b7d331c0fdc0135b1d5259ba3d58ecad87a88 |
| Manifest | 302e776cf99bdcd630506e9eeba14661de9f4046c0e49968d6e2920cb9c9fc98 |
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 | bDStgQBInk4QT64VvFBhCRbI87mq4M2+FWdwX/60fgpTb3v4Z46B3V/9HURGkee7XUslqEPOGmKPqhIp6sr5Dg== |
| 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
| 2026-11-03T20:41:43.565328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090638observed 7bde044810e9170605ca9b5f0c1b7d33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T20:41:43.508510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090638/manifest.jsonobserved 302e776cf99bdcd630506e9eeba14661...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:43.458612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090638/publication.mdobserved 891fc5ddb7a7482ddd7a105e7afb85a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:43.325884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090638/publication.txtobserved 73629679c455eae7161c85f43f52431e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:03.605511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090638observed 7bde044810e9170605ca9b5f0c1b7d33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:03.553713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090638/manifest.jsonobserved 302e776cf99bdcd630506e9eeba14661...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:03.501098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090638/publication.mdobserved 891fc5ddb7a7482ddd7a105e7afb85a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:03.355162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090638/publication.txtobserved 73629679c455eae7161c85f43f52431e...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 |
|---|