OT-2026-000015191
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000015191) never changes.
Identity and time
| Publication number | OT-2026-000015191 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef47-7ea8-bc94-2e3c6de60842 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015191 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3cdcdd85c33bbb85dd508a6639eb9c9aee03ddd2db605d76913ee5e83af00446 |
|---|---|
| Markdown | 118d19f955970e9e8ac96c6b0ca6ce367eaf26f2b418e3f5a070d5461de4fe66 |
| Publication page | 6ff5e7247e9efcab58429fa5656ca91a8ec4c1b10594f3927a0919febd78e174 |
| Manifest | 8aa605bbfd1ff99a72230230ea4e7038c7461bc45cc5c2e40ba229cea46b2297 |
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 | OfGwKuOcLn1/qQnCwDgMUSv6dPzM84yfY10OtbqpyNNq1O/ZQIup//HjRoE9QrHRJprvaftLESPkYnPt9Ax9DQ== |
| 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
| 2026-09-17T12:05:49.134394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015191observed 6ff5e7247e9efcab58429fa5656ca91a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:49.063546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015191/manifest.jsonobserved 8aa605bbfd1ff99a72230230ea4e7038...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:49.043566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015191/publication.mdobserved 118d19f955970e9e8ac96c6b0ca6ce36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:48.974931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015191/publication.txtobserved 3cdcdd85c33bbb85dd508a6639eb9c9a...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. |
|---|