OT-2026-000087721
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line 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-2026-000087721) never changes.
Identity and time
| Publication number | OT-2026-000087721 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd55-7026-bac2-4bbbe54c17d2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087721 |
| Status | PUBLIC |
Content hashes
| Canonical text | 84207835623db2261b728a034b5c3dde7c4f5e9756a5430f2a585fe1607b83ba |
|---|---|
| Markdown | 240935fb2cac897754918d457756f125521560d988e54601909d2f21e24837a9 |
| Publication page | 9983948e95883aeb2b95768fc26e35afe8ff35b4a2a2f65bc5e0faf558fc047a |
| Manifest | 203f695260acf26ed50e186463c0828a0c87faf71e08b04261eb71a92130aff1 |
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 | o+6CkT8y3EbnYFHQNQ2RDr7IFE3JNYGsFVKF6K27NfTmE/0QSE5s8SfR/CknjpxmapQYF8XYRpOXaRY5RrpuCA== |
| 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
| 2026-09-17T09:51:10.433784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087721observed 9983948e95883aeb2b95768fc26e35af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:51:10.418707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087721/manifest.jsonobserved 203f695260acf26ed50e186463c0828a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:10.404117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087721/publication.mdobserved 240935fb2cac897754918d457756f125...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:10.388702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087721/publication.txtobserved 84207835623db2261b728a034b5c3dde...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. |
|---|