OT-2026-000090902
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000090902) never changes.
Identity and time
| Publication number | OT-2026-000090902 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7b50-a363-8c9e856af109 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090902 |
| Status | PUBLIC |
Content hashes
| Canonical text | a03cb145030e71e39b6bffe75f1e0767db70a802f2b44b581529f1e6371c6d52 |
|---|---|
| Markdown | 81db890fbc42941fb453b12362c02b0e6351fc87dd5e9639bcbe7f4d3de9db2e |
| Publication page | 877320a21a582f8eec2447ca26199478256b9b8d418b14275d37cd0ef1f574a2 |
| Manifest | f3b3b6561297b6c102e3d97aff2754073f3aef8ecd73e94fefa7f2de81c5f9bc |
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 | 5Go9QXgcq/Ea1FbEQq1pNw68Qmi2G8AqVHtz6VF8MeTatUgjj5U+TXOSMBqBXPirp+wSd8KJ25/hMrq7jwE3CQ== |
| 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
| 2026-09-17T09:44:06.416438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090902observed 877320a21a582f8eec2447ca26199478...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:06.401535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090902/manifest.jsonobserved f3b3b6561297b6c102e3d97aff275407...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:06.384715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090902/publication.mdobserved 81db890fbc42941fb453b12362c02b0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:06.366632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090902/publication.txtobserved a03cb145030e71e39b6bffe75f1e0767...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. |
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