OT-2026-000028596
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000028596) never changes.
Identity and time
| Publication number | OT-2026-000028596 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7c7d-9a84-8a194c1f493b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028596 |
| Status | PUBLIC |
Content hashes
| Canonical text | 08c67fb145d6d34ceac267dfeee79bb0ac83c8afb944aa17fc98dda4a32eaaa6 |
|---|---|
| Markdown | 23df7361455a385b5c2041dcb4e7ec68fd982c4fc34f6570f8d050af1ea3d526 |
| Publication page | 77cbc3e7ad0a98350e408fbd6be6b6718f07c5fe17a7c31f0f4f8abae80581a4 |
| Manifest | dc575de4a771ba1f876563111d7d3d65bbbce6876d757b4df2e83676f7b57897 |
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 | ocC0wJrj1FuFxexkQQYkQc6aqYdxDmk7u5Cgtd+BFkEnyQeU/eDDU2lMYutfRDvspAXCyX2eFUR9MKz+Vt1AAw== |
| 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
| 2026-09-17T11:41:27.091823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028596observed 77cbc3e7ad0a98350e408fbd6be6b671...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:27.071772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028596/manifest.jsonobserved dc575de4a771ba1f876563111d7d3d65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.053117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028596/publication.mdobserved 23df7361455a385b5c2041dcb4e7ec68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.031600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028596/publication.txtobserved 08c67fb145d6d34ceac267dfeee79bb0...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. |
|---|