OT-2026-000005507
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, pump fed, contact triggered, rubber cups
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-2026-000005507) never changes.
Identity and time
| Publication number | OT-2026-000005507 · never reused |
|---|---|
| Internal UUID | 01a0a93b-49fd-7eb5-8280-b175c9e7e55f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:00:30.208742Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005507 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1aa931e1224dca718eefbd6f960fba50adb22a98e6ac2bbbf3d2a406718005bf |
|---|---|
| Markdown | db572a4f5721bb10999fa39906a9fa721cbf6108c88b6f2012207ef3a075b558 |
| Publication page | 83a743f5eef4036854bbed5a646b89460ef2f8afeb7159c21f0bff703ab0195c |
| Manifest | 51d7f55eba7e63801c33b79868ac8e58e52328639463370cb2ca99ac7ee3b5cb |
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 | gZfbHx5LFWlmS+6aSVL5VsPbXAc+2HZvWYxV018LTeil3uIXSdEeE9GMTxenJ+j5pNOIA63BYSx4/0CKX1naAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:32.711590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005507observed 83a743f5eef4036854bbed5a646b8946...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:32.698627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005507/manifest.jsonobserved 51d7f55eba7e63801c33b79868ac8e58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:32.685248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005507/publication.mdobserved db572a4f5721bb10999fa39906a9fa72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:32.671595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005507/publication.txtobserved 1aa931e1224dca718eefbd6f960fba50...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. |
|---|