OT-2026-000089820
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000089820) never changes.
Identity and time
| Publication number | OT-2026-000089820 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428d-739a-a29f-e7736a757755 · 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-2026-000089820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87f94fb10054c1030ec33f7f2855446c97ef68b0c7bf87c2e8efed4f472e51d7 |
|---|---|
| Markdown | f4a32335cc594f7d170f3321af5e5ef06482c5cde239e1f88af90724d9e21646 |
| Publication page | f35faaa9ad7bd73203df63924fbf9bf8689e4c22d9a5fad406c909acea75dd70 |
| Manifest | 9c5f8c78b89dd310dd341d8ac7e87ce00c776e140a587124ec499f9b44ba0962 |
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 | F79z5xZhfOq+hHybVEpOx5G1sbChMLggCzjBs10/cn9BE1E+Cn7wa3/O8jI/rJsjBFWiOWnUgE+LbR/0EwQcBQ== |
| 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
| 2026-09-17T09:45:03.507429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089820observed f35faaa9ad7bd73203df63924fbf9bf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:03.490442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089820/manifest.jsonobserved 9c5f8c78b89dd310dd341d8ac7e87ce0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:03.472094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089820/publication.mdobserved f4a32335cc594f7d170f3321af5e5ef0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:03.454531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089820/publication.txtobserved 87f94fb10054c1030ec33f7f2855446c...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. |
|---|