OT-2026-000090774
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained 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-2026-000090774) never changes.
Identity and time
| Publication number | OT-2026-000090774 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-7747-a36d-1eb1cad46083 · 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-2026-000090774 |
| Status | PUBLIC |
Content hashes
| Canonical text | 577ea2bad4e10f2343a2f33d1f8929d1e3d8c22f3d174ed572b0c00e720d170e |
|---|---|
| Markdown | 9b4740ab4b5db1f59c22b934ff6a1a09fe9d13b42770ba813f300c7a99894ba4 |
| Publication page | 45b3290f65878f03a48e4cfe25d312a9e1eca6ed839cfa8dfd4c7ed63aafdf4f |
| Manifest | 1f2c50bac7e115790acec72bb76abbc9a399cbeeb43b73930aafe7b32bcffb7f |
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 | +TWK6VlS40FkVu8znOZcOORbqveCojkBvfvAB8ANJkNK4q5UCedCm0A0hfPsLwh5uIyAFnMOIWgtdmJK3VHYDQ== |
| 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
| 2026-10-28T12:41:09.762454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090774observed 45b3290f65878f03a48e4cfe25d312a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T12:41:09.691314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090774/manifest.jsonobserved 1f2c50bac7e115790acec72bb76abbc9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T12:41:09.607534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090774/publication.mdobserved 9b4740ab4b5db1f59c22b934ff6a1a09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T12:41:09.521064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090774/publication.txtobserved 577ea2bad4e10f2343a2f33d1f8929d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:23:43.927307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090774observed 45b3290f65878f03a48e4cfe25d312a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:23:43.912034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090774/manifest.jsonobserved 1f2c50bac7e115790acec72bb76abbc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:23:43.893226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090774/publication.mdobserved 9b4740ab4b5db1f59c22b934ff6a1a09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:23:43.875683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090774/publication.txtobserved 577ea2bad4e10f2343a2f33d1f8929d1...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|