OT-2026-000077215
Publication integrity record
Three cup vacuum gripper, three 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-2026-000077215) never changes.
Identity and time
| Publication number | OT-2026-000077215 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-7a0e-82d5-5055876c0300 · 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-2026-000077215 |
| Status | PUBLIC |
Content hashes
| Canonical text | ca8bd47bba66391a74978121d799ccddd255a6eff7d2dfe5497930b982cc46de |
|---|---|
| Markdown | e75aecf5c0e3dcd17410bc137ecfc8ee07301c0593319e05341b622968ead080 |
| Publication page | 9b30e971f5187082c24d292bc6d0c51c7ccaa3ecfae8772d297f0db5482a2502 |
| Manifest | 305c40aae28ae38da2799c4c7481f15a7367ebddefca2e54641247a9e329f2c2 |
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 | 09Z9QHB9vst/HLNTwAPnaWEaonnEFplyGxfgca7ZYDCJxlya7AmwNAvSXGk3XyxNMufg9+3MnkhmL5BrWdIGAQ== |
| 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
| 2026-09-17T10:08:49.067128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077215observed 9b30e971f5187082c24d292bc6d0c51c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:49.047918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077215/manifest.jsonobserved 305c40aae28ae38da2799c4c7481f15a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:49.029915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077215/publication.mdobserved e75aecf5c0e3dcd17410bc137ecfc8ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:49.002693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077215/publication.txtobserved ca8bd47bba66391a74978121d799ccdd...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. |
|---|