OT-2026-000090220
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000090220) never changes.
Identity and time
| Publication number | OT-2026-000090220 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-7e21-8fbb-d41105f78fcb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090220 |
| Status | PUBLIC |
Content hashes
| Canonical text | a56a0ddf7f53a3ea4a908b0854ce12874e22cb57de9074fe9518e80c6466a3cc |
|---|---|
| Markdown | 2db807a4c570ee55aa43117451643e6da888ad74a7515074aa3018278d244b6e |
| Publication page | e02591fb3a291dddd0f0515bfecdd6848d0a46f17f398ad2de10fc8ded7b72b0 |
| Manifest | 6b846ba073e801191f621a1be5519c87fe2a87e36df76162091f2b4c432494a7 |
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 | bbDW9UD89gBD2/UvGLQ2ffyUM/f/34DuVpD65QJ0pUBkxDQq6FPGpVFWrv4dAz+tOCygcoqWKzp1tnN5eCaTAw== |
| 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
| 2026-09-17T09:46:17.914765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090220observed e02591fb3a291dddd0f0515bfecdd684...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:17.896626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090220/manifest.jsonobserved 6b846ba073e801191f621a1be5519c87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:17.876114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090220/publication.mdobserved 2db807a4c570ee55aa43117451643e6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:17.856067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090220/publication.txtobserved a56a0ddf7f53a3ea4a908b0854ce1287...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
| Custody package | Pending Custody packages are produced weekly. |
|---|