OT-2026-000013973
Publication integrity record
Single cup vacuum gripper, two stage ejector, 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-2026-000013973) never changes.
Identity and time
| Publication number | OT-2026-000013973 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-75d4-bc14-b87e2f3b47b1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013973 |
| Status | PUBLIC |
Content hashes
| Canonical text | d648f95e5a4ec2dada5efd91a4f32d384b2b3d39babf2dfaf14d10a24d372e49 |
|---|---|
| Markdown | 1a2117e8af6af4aef471efd99d5ace5f5f4f8f9c107f6426db1491120facecfb |
| Publication page | 9aa7db5adad3d37d2a0541d9c69540ba356e6607313142e60ad44d8343b58818 |
| Manifest | 1a4b86de7851ece7be11872568bd655209a6b442a0ee2aa2892a690890a2836d |
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 | tQh79/PAx16uIzG/vBoc9FjAYxl/T+J01nHuc2NAe8cGgmrMKgi9gmAX0v9ums19Hr4UqhxZb3rsZ7bhbIo8Dg== |
| 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
| 2026-09-17T12:09:11.043832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013973observed 9aa7db5adad3d37d2a0541d9c69540ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:11.024239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013973/manifest.jsonobserved 1a4b86de7851ece7be11872568bd6552...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:11.004924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013973/publication.mdobserved 1a2117e8af6af4aef471efd99d5ace5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:10.984951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013973/publication.txtobserved d648f95e5a4ec2dada5efd91a4f32d38...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. |
|---|