OT-2026-000072975
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000072975) never changes.
Identity and time
| Publication number | OT-2026-000072975 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c815-7101-a81d-b989b693c586 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:10.336919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072975 |
| Status | PUBLIC |
Content hashes
| Canonical text | 720baa25d9e9a2ba61f6c9803ff5203452f7e3b8cd6f2002bcd0b4df371166d8 |
|---|---|
| Markdown | 924189053894f28114b7b1cf777486d222db46840ef92807613e72b468aae095 |
| Publication page | 05ef5d2dd4d7a4aaa2629c80423f8afc34574270baecbe81792b62bccc987619 |
| Manifest | 8f84c28970d28eede224b8f09d0e6c5441dd91dc0244065e75afe59f8f312a55 |
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 | 2vdIf9V6gcv/ZnV3an+GG+kn4O5vcKVPcuBu2Qhqfx9pl+PkPavHzhGEhW6rnh0OiEfLxmDtiglWjDjQFtYfDA== |
| 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
| 2026-09-17T10:21:54.225145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072975observed 05ef5d2dd4d7a4aaa2629c80423f8afc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:54.209520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072975/manifest.jsonobserved 8f84c28970d28eede224b8f09d0e6c54...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:54.193218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072975/publication.mdobserved 924189053894f28114b7b1cf777486d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:54.174218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072975/publication.txtobserved 720baa25d9e9a2ba61f6c9803ff52034...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. |
|---|