OT-2026-000077202
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented after 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-2026-000077202) never changes.
Identity and time
| Publication number | OT-2026-000077202 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-71e2-a00c-66ed14c6f794 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077202 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6cd2b5be8f225a9bf6b7f39eb676364996a00c10450b91ef84de361428b80af4 |
|---|---|
| Markdown | 3ccb4b80d9aba9c99acb67c4a4bc2f057945fd741d4429d85994d6501f66ff66 |
| Publication page | 0fde41dbd67dddc7f597aac2a9300af1d5bc42ffd2c58db86810a9c880a3c73a |
| Manifest | 27ce6672d8b827bdedc52e30b05407b8e6fdae355f2cd1a98f3e462a9d9ba19f |
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 | 9NdrpE+ChBA6+m9W2xCLlR48TE6lJRKo7k3QtWhZXrqdgywsKJ2xjavAfFxTfLGYzZu29zuzKwCaowX/n+zVCg== |
| 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
| 2026-09-17T10:10:57.513041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077202observed 0fde41dbd67dddc7f597aac2a9300af1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:57.493383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077202/manifest.jsonobserved 27ce6672d8b827bdedc52e30b05407b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:57.473962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077202/publication.mdobserved 3ccb4b80d9aba9c99acb67c4a4bc2f05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:57.454398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077202/publication.txtobserved 6cd2b5be8f225a9bf6b7f39eb6763649...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.923385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077202observed 0fde41dbd67dddc7f597aac2a9300af1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.904824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077202/manifest.jsonobserved 27ce6672d8b827bdedc52e30b05407b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.885887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077202/publication.mdobserved 3ccb4b80d9aba9c99acb67c4a4bc2f05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.867267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077202/publication.txtobserved 6cd2b5be8f225a9bf6b7f39eb6763649...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. |
|---|