OT-2026-000090021
Publication integrity record
Two cup vacuum gripper, two 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-2026-000090021) never changes.
Identity and time
| Publication number | OT-2026-000090021 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428e-7ac6-b151-7b46fd429b67 · 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-2026-000090021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a2aeb6ff8dfdc67f2ea5deee3d8b292f31ff3c21f3cabfea89a4a5ee4733b7d |
|---|---|
| Markdown | daec192c57b49ab7e5248ae511ffe6521cbd6570ac8e647829c4dc6a0bccb6af |
| Publication page | c28f047d727c578f63e32ee37e956541345be5f9b9eea348d67ad02b3ab10e45 |
| Manifest | b1a141a541ea47d71150189762fa73559382eb220ab4eaf3fc82edb82ba18396 |
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 | bYKPRNoJ8tVlM9YiyA5YE/RoZ6zVaRA1Qpup+L8lf0OAvC1QB3rMF3pX1yM+ZP+SeOfZQaJU4rO9tS1RDudHCA== |
| 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
| 2026-09-17T09:45:25.127138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090021observed c28f047d727c578f63e32ee37e956541...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:25.109847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090021/manifest.jsonobserved b1a141a541ea47d71150189762fa7355...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:25.091630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090021/publication.mdobserved daec192c57b49ab7e5248ae511ffe652...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:25.074111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090021/publication.txtobserved 7a2aeb6ff8dfdc67f2ea5deee3d8b292...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. |
|---|