OT-2026-000007407
Publication integrity record
Vacuum cup gripper, four 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-2026-000007407) never changes.
Identity and time
| Publication number | OT-2026-000007407 · never reused |
|---|---|
| Internal UUID | 01a0a97d-b3c4-70cb-974a-2679b5bebac9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:13:02.662858Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007407 |
| Status | PUBLIC |
Content hashes
| Canonical text | cfeee24d65285567219d43266e7100db962060ce63b18cb01fc6c54599919b26 |
|---|---|
| Markdown | 2d61991b2ae3ce240e5d164709ed5b64004b71f4c1c5266a7e326c5b7b05a333 |
| Publication page | 13a7b42adf83344a0d2508818cdc26368f8e6f51a4f40f89477a8f6194ff377e |
| Manifest | 8fe9cacc00ba54c0753068e2113d1743a9b6b61740144c25f5b44a95cebc3999 |
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 | SiCHlNqtXRfAjFXAbIvgix4OQ4jM24bGTQH3Isr0vK2F3guTWgKJPj7jEL/amNniZdmk469LVepoutHDRYQ9DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:07.109301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007407observed 13a7b42adf83344a0d2508818cdc2636...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:07.092388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007407/manifest.jsonobserved 8fe9cacc00ba54c0753068e2113d1743...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:07.071750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007407/publication.mdobserved 2d61991b2ae3ce240e5d164709ed5b64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:07.057672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007407/publication.txtobserved cfeee24d65285567219d43266e7100db...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. |
|---|