OT-2026-000006427
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, pump fed, pressure verified, silicone 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-2026-000006427) never changes.
Identity and time
| Publication number | OT-2026-000006427 · never reused |
|---|---|
| Internal UUID | 01a0a95a-d91a-7ae6-8315-950560423acb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:34:58.461348Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006427 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d71af228fa87d63b72e40ec48768dc470a7e3abc7ee6d57f464c3d65347768b |
|---|---|
| Markdown | 7e492e0306c1abea9ee2210b153cfe3e87b21230b90aa42ff0a4b102f3a79365 |
| Publication page | 19e2b5a4b1cfcbe2aecbb6e22dbf37577eefacd5567947e89faaec71a90bce9d |
| Manifest | 77feaba13e0d35670e35b77f388b5bcd316b671c3e1b420ec8624c9d89be2024 |
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 | lf4lpmq8hUrqVzzPAYECLMSgbqoyW/XZY21NmASMAN8yvCkY8Iq2mNyhDZlCMcDAgtkznI6XB+g1ef3xjhc+BQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:18.897791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006427observed 19e2b5a4b1cfcbe2aecbb6e22dbf3757...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:18.883891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006427/manifest.jsonobserved 77feaba13e0d35670e35b77f388b5bcd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:18.748318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006427/publication.mdobserved 7e492e0306c1abea9ee2210b153cfe3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:18.735421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006427/publication.txtobserved 4d71af228fa87d63b72e40ec48768dc4...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. |
|---|