OT-2026-000005173
Publication integrity record
Porous face vacuum gripper, two stage ejector, pressure verified, open cell, 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-2026-000005173) never changes.
Identity and time
| Publication number | OT-2026-000005173 · never reused |
|---|---|
| Internal UUID | 01a0a930-3caf-7676-b68d-a0ea57321142 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:48:25.906641Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005173 |
| Status | PUBLIC |
Content hashes
| Canonical text | d3304402ee6261cdd5264af5c61b7c08f4edb6160da1dfc8d24a0a226f7ebfd0 |
|---|---|
| Markdown | c04b55a7c5d9d9f255599483e61f775724553c9031c12d0394312aa4ccac1c5b |
| Publication page | aed70d93c615f0fa48e7a66b5e9ad4b89f0dcbea7ac77a7dd7737fc1189cd48f |
| Manifest | a47ad44abcdac1208d68a26a1783ceffd3f529737e614ef0e3e967d246069056 |
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 | APcxVy8l3HJpf9sHPxOTvEfR/ZL7oYyDZDQIOq5lZvjxCuVV/IcH8HRj3DSKdmfpdHHQAfY/tzKvpsCKJ5EDCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T07:50:07.394690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005173observed aed70d93c615f0fa48e7a66b5e9ad4b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:07.381287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005173/manifest.jsonobserved a47ad44abcdac1208d68a26a1783ceff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:07.245146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005173/publication.mdobserved c04b55a7c5d9d9f255599483e61f7757...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:07.230772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005173/publication.txtobserved d3304402ee6261cdd5264af5c61b7c08...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. |
|---|