OT-2026-000008475
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-2026-000008475) never changes.
Identity and time
| Publication number | OT-2026-000008475 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46a-7960-8aea-81108aa27b32 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008475 |
| Status | PUBLIC |
Content hashes
| Canonical text | ec4340c016a8fbf95bd5fe7c34cf1676dd5c29b1dbc0290bf77b974440824b62 |
|---|---|
| Markdown | af97f09ce97c4fe9deeaf608488e94cdd3dc9c08119bb5668c7db30229721de1 |
| Publication page | 919f37d4c905f2e139ccb2d149cefcec0d0ac3526301107efe1032db7478eb49 |
| Manifest | 0332b8777d84e17a8651493a3c6f2f7773eb5a5f563c306a44192abfee6090d6 |
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 | Qa80RZwNeL4O1V7WPaLAFFxOjtSFzFHPPSwAPM420tGU9xSKn81D2OqpaNpQbMKHCWHF7ocPfprh/FtEmsCMCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:18:22.115508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008475observed 919f37d4c905f2e139ccb2d149cefcec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:18:22.096021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008475/manifest.jsonobserved 0332b8777d84e17a8651493a3c6f2f77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:22.075190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008475/publication.mdobserved af97f09ce97c4fe9deeaf608488e94cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:22.054511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008475/publication.txtobserved ec4340c016a8fbf95bd5fe7c34cf1676...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. |
|---|