OT-2026-000015380
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off before set-down
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-2026-000015380) never changes.
Identity and time
| Publication number | OT-2026-000015380 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef49-726c-8855-29ab27c58a0e · 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-2026-000015380 |
| Status | PUBLIC |
Content hashes
| Canonical text | f713391eb9781b5a3d5ad0bcc1e70de8e2cc127c103594e1521a3e8852d2f892 |
|---|---|
| Markdown | c988de96f46f7fff463a7af9ee22014132319c7ee6704a65c3d01198278ba6c6 |
| Publication page | 3631e7d2f1bf6bbe72a7a30a526fd9a8ac157756082874eb8a4a3fdb03246ad8 |
| Manifest | ae4742f7f3e32944011663318a1d5fcf5f41c481038275e1da2fbcebf585b5b5 |
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 | 4c/VcFqnfPqx7tRwMq2EMVFyksRAzKJtqWvFOA8oKesMY5TzfD//xOUKIV9LLcOgQ4ZfR2mcdb+s97DKJjmxCA== |
| 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
| 2026-09-17T12:06:05.822104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015380observed 3631e7d2f1bf6bbe72a7a30a526fd9a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:05.800831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015380/manifest.jsonobserved ae4742f7f3e32944011663318a1d5fcf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:05.781581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015380/publication.mdobserved c988de96f46f7fff463a7af9ee220141...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:05.762594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015380/publication.txtobserved f713391eb9781b5a3d5ad0bcc1e70de8...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. |
|---|