OT-2026-000077281
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077281) never changes.
Identity and time
| Publication number | OT-2026-000077281 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-7350-a505-2dba42153f40 · 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-2026-000077281 |
| Status | PUBLIC |
Content hashes
| Canonical text | ddb3021e2611da6a1e2b7cf1dea411316f5ea7cc760878c09f2d1bf17f86c98d |
|---|---|
| Markdown | 36254e0be36dd07fbb6172fd958847573aad07bac29479ada477ab8cb632e858 |
| Publication page | 7998ab825743f873372dcba114bb725b30c54c40eac86ad36b4fa1c8ec2a0025 |
| Manifest | acdacb273a30f4d4ce501a75b2082fea302183c504c029a73d542cc3ed43dd50 |
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 | pq5fS41dYjdz3guNQjOv8iiHF1LFwstmDn+L6H+9FXWnCj4g0Oa+9tIouWcf6yrDhSMUmOZlGTFzM7DxNfLXDg== |
| 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
| 2026-09-17T10:08:54.780565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077281observed 7998ab825743f873372dcba114bb725b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:54.761334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077281/manifest.jsonobserved acdacb273a30f4d4ce501a75b2082fea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:54.743947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077281/publication.mdobserved 36254e0be36dd07fbb6172fd95884757...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:54.725602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077281/publication.txtobserved ddb3021e2611da6a1e2b7cf1dea41131...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. |
|---|