OT-2026-000013038
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000013038) never changes.
Identity and time
| Publication number | OT-2026-000013038 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5564-7cf2-a951-dd8b4a2f55be · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013038 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3184df153f1030d60437f70da4cc28d70495507fc1daa95b4524c6c9cd6cabed |
|---|---|
| Markdown | 61bb53ad31d2f585986bda52b46314b1b81a12fe7b1ec37b73929c8f46432589 |
| Publication page | 66be8bab03541661363754f009604d2914225f047232359fec3d7fde6ee490c1 |
| Manifest | 73008f04545c06c19c8cc791ba5a7a31f713c5f4a018aa4d40be4f3f55545239 |
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 | zpMaWY3IVIIb1mJSY9j+ldhObX4d1vcu3P6+oOUPNOlY6f57EgPx/j6aHnraqt0Spvy8f9MGXrWgHi6q+M1uCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:10:52.127891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013038observed 66be8bab03541661363754f009604d29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:52.108094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013038/manifest.jsonobserved 73008f04545c06c19c8cc791ba5a7a31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:52.087766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013038/publication.mdobserved 61bb53ad31d2f585986bda52b46314b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:52.064871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013038/publication.txtobserved 3184df153f1030d60437f70da4cc28d7...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. |
|---|